TRIAL SPM FIZIK: KELANTAN1 The following information may be useful. The symbols have their usual meaning. Maklumat berikut mungkin berfaedah. Simbol-simbol mempunyai makna yang biasa. 1. 2. 3. 4. 5. 6. v2 = u2 + 2as s = ut + ½ at2 17. Power, P = Kuasa, P = 18. momentum = mv F = ma Kinetic energy = ½ mv2 Tenaga kinetik Power, P = IV Kuasa 19. 20. 7. Potential energy = mgh Tenaga keupayaan Efficiency = Kecekapan 8. Elastic potential energy = ½ Fx Tenaga keupayaan kenyal 21. g = 10 ms-2 22. 9. 10. Pressure, P = hρg Tekanan 23. 11. Pressure, P = Tekanan 24. n= 12. Quantity of heat, Q = mcθ Kuantiti haba n= 25. 13. 14. 15. 16. = constant (pemalar) 26. E = mc2 v=fλ V = IR 27. 28. Q = It E = I (R + r ) eV = ½ mv2 http://www.chngtuition.blogspot.com 2 Answer all questions. Each question is followed by either three or four options. Choose the best option for each question then blacken the correct space on the answer sheet. Jawab semua soalan. Tiap - tiap soalan diikuti oleh sama ada tiga atau empat pilihan jawapan. Pilih satu jawapan yang terbaik bagi setiap soalan dan hitamkan ruangan yang sepadan pada kertas jawapan objektif anda. 1 Which of the following is a base unit? Yang manakah antara berikut adalah merupakan unit bagi kuantiti asas? A Joule Joule Watt B Watt Pascal C Pascal Second D Saat 144 km h-1 is equivalent to 144 km h-1adalah bersamaan dengan A 20 m s-1 B 30 m s-1 C 40 m s-1 D 50 m s-1 Diagram 1 shows a micrometer screw gauge used to measure the thickness of a sheet of aluminium. Rajah 1 menunjukkan tolok skru mikrometer yang digunakan untuk mengukur ketebalan sekeping aluminium. 2 3. 0 1 2 3 4 35 30 25 Diagram 1 Rajah 1 What is the thickness of the sheet of aluminium? Berapakah ketebalan kepingan aluminum itu? http://www.chngtuition.blogspot.com 3 A B C D 4 4.32 mm 4.38 mm 4.82 mm 4.88 mm Diagram 2 shows a part of a ticker tape produce by a motion of a trolley. Rajah 2 menunjukkan sebahagian dari pita detik yang dihasilkan oleh gerakan sebuah troli. Diagram 2 Rajah 2 What is the type of motion produce by the trolley? Apakah jenis gerakan yang dihasilkan oleh troli tersebut? A Constant velocity Halaju seragam Increasing velocity B Halaju bertambah Decreasing velocity C Halaju berkurang 5 Diagram 3 shows a velocity – time graph. Rajah 3 menunjukkan satu graf halaju - masa. Diagram 3 Rajah 3 http://www.chngtuition.blogspot.com 4 At which part of the graph shows the highest acceleration? Pada bahagian manakah dari graf itu menunjukkan pecutan paling tinggi? A B C D 6 PQ QR RS ST Diagram 4 shows an air bag functioned when the emergency brake is applied by the driver. Rajah 4 menunjukkan sebuah beg udara berfungsi apabila pemandu menekan brek kecemasan. Diagram 4 Rajah 4 The air bag used in the car is to reduce Beg udara yang digunakan di dalam kereta itu adalah untuk mengurangkan A inertia inersia B friction geseran change of momentum perubahan momentum rate of change of momentum kadar perubahan momentrum C D 7 Which of the following statement is true about an object that experiences free fall? Antara pernyataan berikut, yang manakah benar mengenai suatu objek yang mengalami jatuh bebas? A The kinetic energy of the object decreases. Tenaga kinetik objek itu berkurang. B The velocity of the object is constant. Halaju objek itu adalah tetap. http://www.chngtuition.blogspot.com 5 C The momentum of the object decreases. Momentum objek itu adalah berkurang. The acceleration of the object is constant. Pecutan objek itu adalah tetap. D 8 Diagram 5 shows a weightlifter successfully lifting a load of 50 kg. The work done is 750 J. Rajah 5 menunjukkan seorang ahli angkat berat berjaya mengangkat beban 50 kg. Kerja yang telah dilakukan ialah 750 J. Diagram 5 Rajah 5 Calculate the value of H. Hitung nilai H. A B C D 9 5.0 m 1.5 m 1.0 m 0.5 m Diagram 6 shows a tanker with three small tanks. Rajah 6 menunjukkan sebuah lori tangki dengan tiga tangki kecil. Diagram 6 Rajah 6 The three small tanks are used to reduce the Tiga tangki kecil digunakan untuk mengurangkan A kinetic energy tenaga kinetik http://www.chngtuition.blogspot.com 6 B inertia inersia momentum momentum pressure tekanan C D 10 Diagram 7 shows a car of mass 1000 kg. The forward thrust acting on the car is 9000 N and the frictional force between the car and the ground is 7000 N. Rajah 7 menunjukkan sebuah kereta berjisim 1000 kg. Daya tujah yang bertindak ke atas kereta itu ialah 9000 N dan daya geseran di antara kereta dan permukaan tanah ialah 7000N. Diagram 7 Rajah 7 What is the acceleration of the car? Berapakah pecutan kereta itu? A B C D 11 9 ms-2 7 ms-2 5 ms-2 2 ms-2 Which of the following statement is correct about the use of thick mattress in high jump event? Antara pernyataan berikut yang manakah benar mengenai penggunaan tilam yang tebal dalam acara lompat tinggi? A The time of collision during landing can be reduced. Masa perlanggaran semasa pendaratan boleh dikurangkan. The pressure acting on the mattress can be reduced. Tekanan yang bertindak ke atas tilam boleh dikurangkan. The impulsive force during landing can be reduced. Daya impuls semasa pendaratan boleh dikurangkan. The kinetic energy produced can be reduced. Tenaga kinetik yang terhasil boleh dikurangkan. http://www.chngtuition.blogspot.com B C D 7 12 In which situation is the concept of low pressure is applied ? Dalam situasi manakah konsep tekanan rendah digunakan ? A B C D 13 Diagram 8 shows mercury level in a mercury manometer when it is connected to a gas tank. Rajah 8 menunjukkan paras merkuri dalam manometer merkuri apabila disambungkan kepada satu tangki gas. Manometer Manometer Gas tank Tangki gas h Mercury Merkuri Diagram 8 Rajah 8 Which of the following statement is correct? Antara pernyataan berikut manakah betul? http://www.chngtuition.blogspot.com 8 A Gas pressure = h cm Hg Tekanan gas = h cm Hg Gas pressure = Atmospheric pressure Tekanan gas = Tekanan atmosfera Gas pressure = Atmospheric pressure + h Tekanan gas = Tekanan atmosfera + h Gas pressure = Atmospheric pressure - h Tekanan gas = Tekanan atmosfera - h B C D 14 Diagram 9 shows a student blowing air between two pieces of paper . Rajah 9 menunjukkan seorang pelajar meniup udara antara dua helai kertas. Clip klip Air blow tiupan udara paper kertas Diagram 9 Rajah 9 Which of following is correct ? Antara berikut yang manakah benar ? Speed of air blows between two papers Halaju udara ditiup diantara dua kertas A High Tinggi High Tinggi Low Rendah Low Rendah Pressure of air between two papers Tekanan udara antara dua kertas Low Rendah High Tinggi Low Rendah High Tinggi Condition of two papers Keadaan dua kertas Closed together Saling mendekati Far away Saling menjauhi Far away Saling menjauhi Closed together Saling mendekati B C D http://www.chngtuition.blogspot.com 9 15 Diagram 10 shows a hydraulic brake system of a car. Rajah 10 menunjukkan satu sistem brek hidraulik sebuah kereta. Slave piston omboh kedua Main Piston Omboh utama to rear brake ke brek belakang Main cylinder Silinder utama Disk brake Brek cakera Diagram 10 Rajah 10 The main piston cylinder of the brake is smaller than slave piston cylinder. This is because of Silinder piston utama lebih kecil daripada silinder piston kedua . Ini disebabkan oleh A the small pressure applied at the main piston producing a high pressure at slave piston tekanan yang kecil dikenakan ke atas omboh utama menghasilkan tekanan besar ke atas omboh kedua B the high pressure applied at the main piston producing a small pressure at slave piston tekanan yang besar dikenakan ke atas omboh utama menghasilkan tekanan kecil ke atas omboh kedua C a large force applied at main piston producing a small force at the slave piston daya yang besar bertindak ke atas omboh utama menghasilkan daya yang kecil ke atas omboh kedua. D a small force applied at main piston producing a large force at the slave piston daya yang kecil bertindak ke atas omboh utama menghasilkan daya yang besar ke atas omboh kedua. http://www.chngtuition.blogspot.com 10 16 Diagram 11 shows a metal block is immersed in an eureka tin filled with water. The water displaced is collected in a beaker. Rajah 11 menunjukkan satu bongkah logam di tenggelamkan ke dalam tin eureka berisi air. Air tersesar dikumpulkan di dalam sebuah bikar . String Tali Metal block Bongkah logam eureka tin tin eureka Retort stand Kaki retot water displaced air tersesar Diagram 11 Rajah 11 Which of the following statement is correct? Antara pernyataan berikut manakah betul? A Weight of metal block = weight of water displaced Berat bongkah logam = berat air tersesar Bouyant force = volume of water displaced Daya julangan = isipadu air yang disesarkan Volume of water displaced = volume of metal block Isipadu air disesar = isipadu bongkah logam Bouyant force = Weight of metal block Daya julangan = Berat bongkah logam B C D http://www.chngtuition.blogspot.com 11 17 Diagram 12 shows water being spurt out from the water tank through a small hole. Rajah 12 menunjukkan air terpancut keluar daripada tangki air melalui satu lubang kecil. water air h water spurt pancutan air s Diagram 12 Rajah 12 Which of the graph, s against h is correct? Manakah antara graf, s melawan h berikut adalah betul ? 18 Diagram 13 shows the cross section of a water tank. Rajah 13 menunjukkan keratan rentas sebuah tangki air. Diagram 8 Rajah 8 http://www.chngtuition.blogspot.com 12 The water pressure at P is 5 x 104 Pa. Calculate the depth, h Tekanan air pada P ialah 5 x 104 Pa. Hitungkan kedalaman , h [g = 10Nkg-1 : Density of water/ Ketumpatan air = 1000 kg m-3] A B C D 19 0.5 m 5.0 m 50.0 m 500.0 m Diagram 14 shows the cooling curve of a substance. Rajah 14 menunjukkan lengkung penyejukan suatu bahan. Diagram 14 Rajah 14 At which phase is the substance is in solid and liquid state at the same time? Pada fasa manakah bahan itu dalam keadaan pepejal dan cecair pada masa yang sama? http://www.chngtuition.blogspot.com 13 20 Diagram 15 shows a process in which water is changed to steam. Rajah 15 menunjukkan satu proses air bertukar kepada stim. Diagram 15 Rajah 15 The heat absorbed during the process is called Haba yang diserap dalam proses itu dinamakan A specific heat capacity of vapour muatan haba tentu wap specific heat capacity of water muatan haba tentu cecair specific latent heat of fusion haba pendam tentu pelakuran specific latent heat of vaporization haba pendam tentu pengewapan B C D 21 Diagram 16 shows temperature-time graph of a liquid. The liquid is heated by using a 400 W heater. The mass of the liquid is 200 g. Rajah 16 menunjukkan graf suhu-masa suatu cecair. Cecair itu dipanaskan dengan menggunakan pemanas 400 W. Jisim cecair itu ialah 200 g. Diagram 16 Rajah 16 http://www.chngtuition.blogspot.com 14 What is the specific heat capacity of the liquid? Berapakah muatan haba tentu cecair itu? A B C D 22 2 J kg-1 ˚C-1 20 J kg-1 ˚C-1 200 J kg-1 ˚C-1 2000 J kg-1 ˚C-1 50 g of water at 10 oC is mixed with 100 g of water at 30 oC. The temperature of the mixture is 50 g air pada 10 oC dicampurkan dengan 100 g air pada 30 oC. Suhu campuran itu ialah A B C between 10 oC and 20 oC antara 10 oC dan 20 oC equal to 20 oC sama dengan 20 oC between 20 oC and 30 oC antara 20 oC dan 30oC 23 Which graph shows the relationship between the volume and absolute temperature of a fixed mass of the gas at constant pressure? Graf yang manakah menunjukkan hubungan antara isipadu dan suhu mutlak bagi satu jisim tetap gas pada tekanan malar? A B V / m3 V / m3 0 C T/K 0 D V / m3 T/K V / m3 0 http://wwwT .c/ hK ngtuition.blogspot.com 0 T/K 15 24 Two convex lens of focal length 50 cm and 5 cm respectively is used in a telescope. What is the linear magnification of the telescope? Dua kanta cembung yang panjang fokus 50 cm dan 5cm masing-masing digunakan pada teleskop. Apakah pembesaran linear pada teleskop tersebut? A B C D 25 10 45 55 250 Diagram 17 shows two rays of light passing through a glass block with refractive index, n. Rajah 17 menunjukkan dua lintasan cahaya melalui satu blok kaca dengan indeks biasan, n. Diagram 17 Rajah 17 Which equation is correct? Persamaan manakah yang benar? A n=p r n=z q n = sin p sin r n = sin z sin q B C D 26 The refractive index of glass is 1.5. What is the critical angle of the glass? Indeks pembiasan kaca 1.5. Berapakah sudut genting bagi kaca? A B C D 41.2o 41.8o 48.8o 48.2o http://www.chngtuition.blogspot.com 16 27 Diagram 18 shows a ray diagram of formation of image in an optical device. Rajah 18 menunjukkan rajah sinar bagi imej yang dibentuk dalam sebuah alat optik. Diagram 18 Rajah 18 Which of the following optical device is represented by Diagram 18? Antara alat optik berikut, yang manakah diwakili oleh Rajah 18? A Slide projector Projektor slaid Magnifying glass Kanta pembesar Compound microscope Mikroskop majmuk Astronomical telescope Teleskop astronomi B C D http://www.chngtuition.blogspot.com 17 28 Which diagram shows the correct reflection of light by a concave mirror? Rajah manakah yang menunjukkan pantulan cahaya yang betul oleh sebuah cermin cekung? 29 Diagram 19 shows a stone dropped into a lake with the depth of water increasing towards the centre of the lake. Rajah 19 menunjukkan sebiji batu dijatuhkan ke dalam tasik yang kedalaman semakin bertambah ke arah tengah tasik. Diagram 19 Rajah 19 Which of the following is the wave pattern formed? Antara yang berikut,yang manakah adalah corak gelombang yang dihasilkan? http://www.chngtuition.blogspot.com 18 30 Which diagram shows the correct wave pattern when plane water wave pass through a gap? Rajah manakah menunjukkan corak gelombang yang betul apabila gelombang air berbentuk satah melalui suatu celah? 31 Diagram 20 shows the wavefronts as the waves approach the bay and the cape. Rajah 20 menunjukkan muka gelombang apabila gelombang merambat menuju teluk dan tanjung Diagram 20 Rajah 20 http://www.chngtuition.blogspot.com 19 The wavefronts take the shape of the beach. This is cause by the phenomenon of Muka gelombang menuruti bentuk pantai. Ini adalah disebabkan oleh fenomena A interference interferens reflection pantulan diffraction pembelauan refraction pembiasan B C D 32 Diagram 21 shows plane water waves passing through a glass sheet. Rajah 21 menunjukkan gelombang satah melalui sekeping kaca. Diagram 21 Rajah 21 Which diagram shows the wave pattern of the waves that passed through the glass? Rajah manakah menunjukkan corak gelombang bagi gelombang yang melalui kaca? http://www.chngtuition.blogspot.com 20 33 A high energy wave and low energy wave can only be differentiated by Gelombang bertenaga tinggi dan rendah hanya dapat di bezakan dengan A amplitude amplitud frequency frekuensi wavelength panjang gelombang direction of vibration arah perambatan gelobang B C D 34 Diagram 22 shows a graph of amplitude against time for a wave. Rajah 22 menunjukkan satu graf amplitud melawan masa bagi satu gelombang. Diagram 22 Rajah 22 Which of the following is represented by the graph? Antara berikut, yang manakah boleh diwakili oleh graf itu ? A Diffracted waves Gelombang belauan Refracted waves Gelombang terbias Vibration of a tuning fork Getaran tala bunyi The oscillations of a simple pendulum Ayunan bandul ringkas http://www.chngtuition.blogspot.com B C D 21 35 Which diagram shows the correct electric field? Rajah manakah yang menunjukkan medan elektrik yang betul? A B C D 36 Diagram 23 shows I1 is the current supplied by a source. I2 and I3 are the current in each branch of the parallel arrangement shown. Rajah 23 menunjukkan I1 adalah arus yang dibekalkan oleh suatu sumber. I2 dan I3 adalah arus bagi setiap cabang ditunjukkan dalam susunan selari. Diagram 23 Rajah 23 Which of the following statements concerning I1 , I2 and I3 is correct? Manakah di antara penyataan berikut berkenaan I 1 , I2 dan I3 benar? A I1 is equal to I2 , but smaller than I3 . I1 sama dengan I 2 , tetapi lebih kecil daripada I 3 . I2 is bigger than I3 but smaller than I1 . I2 lebih besar daripada I 3 tetapi lebih kecil daripada I 1 . B http://www.chngtuition.blogspot.com 22 C I3 is bigger than I2 , but smaller than I1 . I3 lebih besar daripada I 2 , lebih kecil daripada tetapi I 1 . I3 is equal to I2 , but smaller than I1 . I3 sama dengan I 2 , tetapi lebih kecil daripada I1 . D 37 Diagram 24 shows a complete electric circuit. Rajah 24 menunjukkan suatu litar elektrik yang lengkap. Diagram 24 Rajah 24 The voltmeter shows the reading of the Voltmeter menunjukkan bacaan A internal resistance of the battery rintangan dalam bateri electromotive force of the battery dayagerak elektrik bateri current flow in the circuit arus elektrik dalam litar potential difference across the resistor bezaupaya merentasi perintang B C D 38 Diagram 25 shows an electric circuit. Rajah 25 menunjukkan satu litar elektrik. Diagram 25 Rajah 25 http://www.chngtuition.blogspot.com 23 What is the reading of the ammeter in the circuit? Berapakah bacaan ammeter dalam litar? A 0.5 A B 2.0 A 3.0 A C D 6.0 A 39 Diagram 26 shows an electromagnet. Rajah 26 menunjukkan sebuah elektromagnet. Diagram 26 Rajah 26 What is the polarity at X and Y when the current flows? Apakah kekutuban pada X dan Y apabila arus mengalir? X North Utara North Utara South Selatan South Selatan Y North Utara South Selatan South Selatan North Utara A B C D 40 Diagram 27 shows a current carrying conductor in a magnetic field. Rajah 27 menunjukkan konduktor pembawa arus dalam medan magnet. Diagram 27 Rajah 27 http://www.chngtuition.blogspot.com 24 What is the direction of the force that acts on the conductor? Pada arah manakah daya yang bertindak ke atas konduktor itu? A B C D 41 J K L M Diagram 28 shows a transformer used to light up a bulb labeled 6V, 12W at normal brightness. Rajah 28 menunjukkan sebuah transformer digunakan untuk menyalakan sebiji mentol berlabel 6 V, 12 W pada kecerahan normal. Diagram 28 Rajah 28 If the number of turns at the primary coil is 1000 turns, what is the number of turns at the secondary coil? Jika bilangan lilitan pada gegelung primer adalah 1000 lilitan, berapakah bilangan lilitan pada gegelung sekunder? A B C D 42. 5 17 25 50 Diagram 29 shows four compasses placed near a solenoid. Rajah 29 menunjukkan empat buah kompas diletakkan berhampiran dengan suatu solenoid. Diagram 29 Rajah 29 http://www.chngtuition.blogspot.com 25 Which of the following shows the correct direction of the plotting compasses when the current flows through the solenoid? Yang manakah antara berikut menunjukkan arah pesongan kompas yang betul apabila arus mengalir melalui solenoid? A B C D 43 Diagram 30 shows a student holding a copper rod in a magnetic field. Rajah 30 menunjukkan seorang pelajar memegang sebatang rod kuprum dalam suatu medan magnet. Diagram 30 Rajah 30 What happens to the galvanolmeter’s pointer if the copper rod is moved upwards? Apakah yang berlaku kepada jarum galvanometer jika rod kuprum itu digerakkan ke atas? A No change Tiada perubahan B Deflect to the right Terpesong ke kanan http://www.chngtuition.blogspot.com 26 C Deflect to the left Terpesong ke kiri Deflect to the right and to the left Terpesong ke kanan dan ke kiri D 44 The rate of the thermionic emission increased when Kadar pancaran termion bertambah apabila A the melting point of the metal is lower takat lebur logam lebih rendah the metal is connected to a low voltage power supply logam itu disambungkan ke suatu bekalan kuasa bervoltan rendah the temperature of the metal increases suhu logam bertambah the surface area of the metal decreases luas permukaan logam berkurang B C D 45 Diagram 31 shows a cathode ray is deflected due to the potential difference between electrode P and Q. Rajah 31 menunjukkan suatu sinar katod terpesong disebabkan oleh beza keupayaan di antara elektrod P dan Q. Diagram 31 Rajah 31 Which of the following is the correct path of the cathode ray when the potential difference between P and Q is increased? Antara berikut yang manakah benar mengenai lintasan sinar katod itu bila beza keupayaan di antara P dan Q bertambah? http://www.chngtuition.blogspot.com 27 46 Diagram 32 shows a circuit that has four identical bulbs P, Q, R and S. Rajah 32 menunjukkan suatu litar yang mempunyai empat mentol serupa P, Q, R dan S. Diagram 32 Rajah 32 Which of the bulbs will light up? Antara mentol berikut yang manakah akan menyala? A P and Q P dan Q R and S R dan S R only R sahaja S only S sahaja B C D http://www.chngtuition.blogspot.com 28 47 Diagram 33 shows a combination of logic gates. The logic inputs of A, B and C are 1, 0 and 0 respectively. Rajah 33 menunjukkan gabungan get logik, Input logik P, Q dan R adalah 1, 0 dan 0 masing - masing Diagram 33 Rajah 33 Which of the following are the correct logic output at X and Y? Antara berikut yang manakah betul bagi logik output pada X dan Y? X 0 0 1 1 Y 0 1 0 1 A B C D 48 Diagram 34 shows a radioactive source emits radiation that can pass through a sheet of paper and a piece of aluminium but cannot pass through a piece of lead. Rajah 34 menunjukkan satu sumber radioaktif memancarkan radiasi yang boleh menembusi sekeping kertas dan sekeping aluminum tetapi tidak dapat menembusi sekeping plumbum. Diagram 34 Rajah 34 What type of radiation is emitted? Apakah jenis radiasi yang dipancarkan? http://www.chngtuition.blogspot.com 29 A α particle Zarah α β particle Zarah β γ rays Sinar γ X rays Sinar X B C D 49 Which of the following statement is a characteristic of beta radiation? Antara pernyataan-pernyataan berikut yang manakah merupakan ciri sinar beta? A It has a positive charge Zarah bercas positif B It is an electromagnetic wave Ianya adalah satu gelombang elektromagnet It has a higher ionizing power than alpha Mempunyai kuasa pengionan lebih tinggi daripada alfa It has a lower penetrating power than gamma Mempunyai kuasa penembusan lebih rendah daripada gama. C D 50 The following equation represents a decay process of element X. Persamaan berikut mewakili proses pereputan bagi unsur X. What are the values of P and Q? Berapakah nilai P dan Q? P 230 230 222 222 Q 90 86 90 86 END OF QUESTION PAPER KERTAS SOALAN TAMAT http://www.chngtuition.blogspot.com A B C D SULIT 4531/2 The following information may be useful. The symbols have their usual meaning. Maklumat berikut mungkin berfaedah. Simbol-simbol mempunyai makna yang biasa. 1. 2. 3. 4. a = v2 = u2 + 2as s = ut + ½ at2 16. Power, P Kuasa, P = = 17. 18. V = IR Power, P = IV Kuasa Momentum = mv 5. F = ma Kinetic energy = ½ mv2 Tenaga kinetik 19. 6. 20. Efficiency = Kecekapan 7. Gravitational potential energy = mgh Tenaga keupayaan graviti 21. 8. Elastic potential energy = ½ Fx Tenaga keupayaan kenyal 22. n = 9. ρ= Pressure, P = hρg Tekanan 23. n= 10. n = 11. Pressure, P = Tekanan 24. 25. λ = Q= It E = I (R + r) eV = ½ mv2 12. Heat, Q = mcθ Haba = Constant (pemalar) E = m c2 26. 27. 28. 13. 14. 2 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 15. v= f λ 29. g = 10 ms-2 4531/2 SECTION A BAHAGIAN A [60 marks] [60 markah] Answer all questions in this section. Jawab semua soalan dalam bahagian ini. 1. Diagram 1.1 shows a measuring instrument that normally used in our daily life. Rajah 1.1 menunjukkan alat pemgukur yang biasa digunakan dalam kehidupan harian. Diagram 1.1 Rajah 1.1 (a) Name the physical quantity can be measured by the instrument? Namakan kuantiti fizik yang boleh diukur oleh alat itu ? ............................................................................................................................. [1 mark] [1 markah] (b) Diagram 1.2 and Diagram 1.3 show two scales of compression balances . Rajah 1.2 dan 1.3 menunjukkan dua skala bagi neraca mampat . g kg 3 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT Diagram 1.2 Rajah 1.2 Which compression balance is more sensitive ? Neraca mampat yang manakah lebih peka? 4531/2 Diagran 1.3 Rajah 1.3 (i) . (ii) .................................................................................................................. [1 mark] [1 markah] Give one reason for answer in 1b(i). Beri satu sebab bagi jawapan di 1b(i) (c) .................................................................................................................. [1 mark] [1 markah] Give one method to increase the accuracy of readings. Beri satu kaedah untuk meningkatkan kejituan bagi bacaan. .............................................................................................................................. [1 mark] [1 markah] 2. Diagram 2.1 shows a water waves travelling from deep area to a shallow area. Rajah 2.1 menunjukkan gelombang air bergerak daripada kawasan dalam ke kawasan cetek. Diagram 2.1 Rajah 2.1 4 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 (a) What type of wave is the water waves? Apakah jenis gelombang bagi gelombang air?/ ............................................................................................................................. [1 mark] [1 markah] (b) Complete Diagram 2.1 to show the direction of propagation of the water waves in deep area and shallow area. Draw the waves’ patterns in both areas. Lengkapkan Rajah 2.1 untuk menunjukkan arah perambatan bagi gelombang air itu dalam kawasan dalam dan kawasan cetek. Lukis corak gelombang dalam kedua-dua kawasan. [2 marks] [2 markah] Calculate the wavelength at deep area if the speed of water waves at shallow area and deep area are 4.0 ms-1 and 9.0 ms-1, respectively. The wavelength at shallow area is 2 m. Hitung jarak gelombang pada kawasan dalam jika laju gelombang air pada kawasan cetek dan kawasan dalam adalah 4.0 ms-1 dan 9.0 ms-1, masingmasing. Jarak gelombang pada kawasan cetek adalah 2m. (c) [2 marks] [2 markah] 3. Diagram 3 shows a system used in a factory to ensure the thickness of cardboard sheet is uniform. The system used radioactive source that emits radioactive radiation. Rajah 3 menunjukkan suatu sistem yang digunakan dalam sebuah kilang untuk memastikan ketebalan kepingan kadbod adalah seragam. Sistem itu menggunakan sumber radioaktif. 5 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 Diagram 3 Rajah 3 (a) What is the meaning of radioactive? Apakah maksud radioaktif? …………………………………………………………................................. [1 mark] [1 markah] (b) Name the suitable type of radioactive radiation should be emitted by the source. Namakan jenis sinaran yang sesuai perlu dipancarkan oleh sumber itu. …………………………………………………………................................. [1 mark] [1 markah] (c) The thickness of cardboard sheets are accepted if the reading of the counter is 230 counts per minute. Ketebalan kepingan kadbod akan diterima jika bacaan pembilang adalah 230 bilangan per minit. (i) If one of the readings shown by the counter is less than 230 counts per minute, what can you say about the thickness of the cardboard sheet compared to the accepted thickness? Jika satu dari bacaan yang ditunjukkan oleh pembilang itu kurang dari 230 bilangan per minit, apakah yang boleh anda katakan mengenai 6 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 ketebalan kepingan kadbod itu berbanding dengan nilai ketebalan yang diterima? Tick (√ ) the correct answer in the box provided. Tanda (√ ) jawapan betul dalam kotak yang disediakan. The cardboard sheet is thicker. Kepingan kadbod itu lebih tebal. The cardboard sheet is thinner. Kepingan kadbod itu lebih nipis. [1 mark] [1 markah] (ii) Give one reason for the answer in 3(c) (i). Beri satu sebab bagi jawapan bagi 3(c) (i). ………………………………………………………………............… [1 mark] [1 markah] (d) The initial mass of the radioactive source used is 100.0 g. The mass of the source becomes 12.5 g after it is being used for 9 years. Jisim awal bahan radioaktif yang digunakan ialah 100.0 g. Jisim bahan itu menjadi 12.5 g selepas ia digunakan selama 9 tahun. Calculate the half life of the radioactive source? Hitung separuh hayat bahan radioaktif itu? [2 marks] [2 markah] 7 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 4. Diagram 4 shows the use of a transistor in a circuit. Rajah 4 menunjukkan kegunaan transistor dalam suatu litar. Diagram 4 Rajah 4 (a) Name the type of transistor used. Namakan jenis transistor yang digunakan. .....………..……………………………………………..……………………… [1 mark] [1 markah] State the function of Nyatakan fungsi (i) relay switch. suis geganti. ………………………………………………………………………… [1 mark] [1 markah] resistor R 1 perintang R 1 ………………………………………………………………………… [1 mark] [1 markah] (b) (ii) 8 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 (c) The transistor is switched on when the base voltage V2 ≥ 2 V. Calculate the minimum value of R 2 when the transistor is switched on. Transistor itu dihidupkan apabila voltan tapak V2 ≥ 2 V Hitungkan nilai minimum R 2 apabila transistor itu dihidupkan [2 marks] [2 markah] (d) has The resistor R 2 is then replaced with a light dependent resistor, LDR,which high resistance when it is dark. Perintang R 2 kemudian digantikan dengan perintang peka cahaya,PPC, yang mempunyai rintangan tinggi apabila gelap. (i) State whether the bulb lighted up during the day. Nyatakan sama ada mentol itu menyala pada waktu siang. ...........……………………………………………..………………….... [1 mark] [1 markah] (ii) Give one reason for the answer in 4 (d) (i). Beri satu sebab bagi jawapan di 4 (d) (i). ...........……………………………………………..………………….... [1 mark] [1 markah] 9 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 5. 4531/2 Diagram 5.1 and 5.2 show two identical spr ings supporting two babies, P and Q, of mass, 5 kg and 8 kg respectively. Rajah 5.1 dan 5.2 menunjukkan dua spring yang serupa menampung dua orang bayi , P dan Q berjisim 5 kg dan 8 kg masing-masing. Diagram 5.1 Rajah 5.1 (a) Diagram 5.2 Rajah 5.2 What is the meaning of mass? Apakah yang dimaksudkan dengan jisim? …………………………………………………………...................................... [1 mark] [1 markah] Observe Diagram 5.1 and Diagram 5.2, Perhatikan Rajah 5.1 dan Rajah 5.2, (i) compare the mass of the baby bandingkan jisim bayi. ...........……………………………………………..………………….... [1 mark] [1 markah] 10 (b) SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT (ii) compare the extension of the spring, y. bandingkan pemanjangan spring, y. 4531/2 (iii) ...........……………………………………………..………………….... [1 mark] [1 markah] compare the spring constant of the spring bandingkan pemalar spring bagi spring ...........……………………………………………..………………….... [1 mark] [1 markah] (c) (i) Relate the mass of the baby with the extension of the spring. Hubungkaitkan jisim bayi dengan pemanjangan …………………………………………………..................................... [1 mark] [1 markah] (ii) State the physics law involved. Nyatakan hukum fizik yang terlibat. …………………………………………………. .................................... [1 mark] [1 markah] (d) Another identical spring is hung parallel with the spring in Diagram 5.1. Satu spring yang serupa digantung selari dengan spring dalam Rajah 5.1. (i) What happens to the extension of the spring? Apakah yang berlaku kepada pemanjangan spring? ...........……………………………………………..………………….... [1 mark] [1 markah] Give one reason to the answer in 5(d)(i). Beri satu sebab bagi jawapan dalam 5(d)(i). ...........……………………………………………..………………….... [1 mark] [1 markah] 11 (ii) SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 6. 4531/2 Diagram 6.1 and Diagram 6.2 show current is induced in the coils when similar magnets are dropped into the coils from the same height. Rajah 6.1 dan Rajah 6.2 menunjukkan arus diaruhkan dalam gegelung-gegelung apabila dua batang magnet yang serupa dijatuhkan ke dalam gegelung-gegelung itu dari ketinggian yang sama. Diagram 6.1 Rajah 6.1 (a) Diagram 6.2 Rajah 6.2 What is meant by induced current? Apakah yang dimaksudkan dengan arus aruhan? …………………………………………………………...................................... [1 mark] [1 markah] (b) (i) Give one reason why current is induced in the coil. Berikan satu sebab mengapa arus diaruhkan dalam gegelung. ...........……………………………………………..…………………..... [1 mark] [1 markah] 12 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT (ii) 4531/2 Using an arrow, show the direction of the induced current in Diagram 6.1 Menggunakan anak panah, tunjukkan arah arus aruhan di Rajah 6.1. [1 mark] [1 markah] Name the law used to determine the direction of the induced current in 6(b) (ii). Namakan hukum yang digunakan untuk menentukan arah arus aruhan dalam 6(b)(ii). ...........……………………………………………..………………….... [1 mark] [1 markah] (c) Based on Diagram 6.1 and Diagram 6.2, compare Berdasarkan Rajah 6.1 dan Rajah 6.2 bandingkan, (i) number of turns of the coils bilangan lilitan gegelung ...........……………………………………………..………………….... [1 mark] [1 markah] (ii) deflection of the pointer of the galvanometer pesongan jarum galvanometer ...........……………………………………………..………………….... [1 mark] [1 markah] (d) State the relationship between number of turns of the coil and, Nyatakan hubungan antara bilangan lilitan gegelung dan, (i) deflection of the pointer of the galvanometer. pesongan jarum galvanometer ...........……………………………………………..………………….... [1 mark] [1 markah] (iii) 13 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT (ii) magnitude of current flows in the coils. magnitud arus yang mengalir dalam gegelung 4531/2 ...........……………………………………………..………………….... [1 mark] [1 markah] 7. Diagram 7.1 shows the structure of mirror periscope. Rajah 7.1 menunjukkan struktur bagi periskop cermin. Diagram 7.1 Rajah 7.1 (a) Name the light wave phenomenon shown in Diagram 7.1. Namakan fenomena gelombang cahaya yang ditunjukkan dalam Rajah 7.1. …………………………………………………………...................................... [1 mark] [1 markah] (b) (i) On Diagram 7.1, complete the path of light ray from the object to the observer’s eye. Pada Rajah 7.1, lengkapkan lintasan sinar cahaya daripada objek ke mata pemerhati. [2 marks] [2 markah] 14 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT (ii) State one characteristics of the image observed. Nyatakan satu ciri imej yang diperhatikan. 4531/2 ...........……………………………………………..…………………..... [1 mark] [1 markah] (c) Diagram 7.2 shows a glass prism. Rajah 7.2 menunjukkan satu prisma kaca Diagram 7.2 Rajah 7.2 (i) The critical angle of the glass pr ism is 420. Calculate the refractive index of the glass prism. Sudut genting bagi prisma kaca adalah 420 Hitung indeks biasan bagi prisma kaca itu. [2 marks] [2 markah] (ii) What happens to the light ray after passing point P? Apakah yang berlaku kepada sinar cahaya itu selepas melalui titik P? ...........……………………………………………..………………….... [1 mark] [1 markah] 15 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT (iii) 4531/2 On Diagram 7.2, complete the path of light ray from point P. Pada Rajah 7.2 lengkapkan lintasan sinar cahaya daripada titik P. [1 mark] [1 markah] (d) The mirror periscope in Diagram 7.1 cannot produced a clear image. Periskop cermin dalam Rajah 7.1 tidak boleh menghasilkan imej yang jelas. (i) In the space below, draw the arrangement of the glass prisms in Diagram 7.2 to enable clearer image produced. Pada ruang di bawah, lukis susunan prisma kaca dalam Rajah 7.2 bagi membolehkan imej yang lebih jelas dihasilkan. [1 mark] [1 markah] (ii) Give one reason for the answer in 7(d)(i). Beri satu sebab bagi jawapan dalam 7(d)(i). ...........……………………………………………..…………………..... [1 mark] [1 markah] 8. (a) A solid substance of mass 0.05 kg is heated using an immersion heater of 240V, 1 kW for 1.0 minute until its temperature is 78oC Suatu bahan pepejal berjisim 0.05 kg dipanaskan menggunakan pemanas rendam 240 V, 1 kW selama 1 minit sehinggan suhunya adalah 78oC. (i) What is the meaning of temperature? Apakah yang dimaksudkan dengan suhu? .................................................................................................................. [1 mark] [1 markah] 16 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT (ii) 4531/2 Calculate the specific heat cpacity of the substance if the initial temperature of the substance is 20oC? Hitung muatan haba tentu bagi bahan itu jika suhu awal bahan itu adalah 20oC? [2 marks] [2 markah] (b) The substance is then put into a beaker filled with water of mass 2.0 kg and temperature 28oC. Bahan itu kemudiannya diletakkan ke dalam bikar berisi air berjisim 2.0 kg dan suhu 28oC. Calculate the final temperature of the substance and water. Hitung suhu akhir bagi bahan itu dan air. (Specific heat capacity of water is 4 200 Jkg-1oC-1) (Muatan haba tentu bagi air adalah 4 200 Jkg-1oC-1) [2 marks] [2 markah] (c) Diagram 8.1 shows parts of the ice box used to store ice. Rajah 8.1 menunjukkan bahagian bagi kotak ais. Diagram 8.1 Rajah 8.1 17 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT Table 8 shows the characteristics of two different ice boxes. Jadual 8 menunjukkan ciri-ciri bagi dua kotak ais yang berbeza. Specific heat capacity of inner box Muatan haba tentu bagi kotak dalam Small Kecil Big Besar Small Kecil Big Besar Table 8 Jadual 8 4531/2 Ice box Kotak ais R S T U Material X Bahan X Air Udara Polystyrene Polisterin Polystyrene Polisterin Air Udara Diameter of double walled tube Diameter bagi tiub dinding dua lapis Small Kecil Big Besar Big Besar Big Besar Based on Table 8, state the suitable characteristics of the ice box to be used as an efficient ice storage . Give one reason for suitable characteristics. Berdasarkan Jadual 8, nyatakan ciri-ciri kesesuaian kotak ais untuk digunakan sebagai tempat simpanan ais yang cekap. Beri satu sebab untuk kesesuaian ciri itu. (i) Material X : Bahan X : .................................................................................................................. Reason : Sebab : .................................................................................................................. [2 marks] [2 markah] (ii) The specific heat capacity of inner box : Muatan haba tentu bagi kotak dalam : .................................................................................................................. 18 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT Reason : Sebab : 4531/2 ................................................................................................................ [2 marks] [2 markah] (iii) Diameter of double walled tube : Diameter bagi tiub dinding dua lapis : .................................................................................................................. Reason : Sebab : ................................................................................................................ [2 marks] [2 markah] (d) Based on the answers in 8(c) (i), 8(c)(ii) and 8(c)(iii), determine the most suitable ice box to be used as an efficient ice storage . Berdasarkan jawapan di 8(c) (i), 8(c)(ii) dan 8(c)(iii), tentukan kotak ais yang paling sesuai digunakan sebagai tempat simpanan ais yang efisien. .............................................................................................................................. [1 mark] [1 markah] 19 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 SECTION B BAHAGIAN B [20 marks] [20 markah] Answer any one que stion from this section. Jawab mana-mana satu soalan daripada bahagian ini. 9. Diagram 9.1 and Diagram 9.2 show the distances between two streams of water, x 1 and x2 when air are blown in the middle with two tubes which nozzles have different cross sectional areas. The air pressure supplied at both tubes is the same. Rajah 9.1 dan Rajah 9.2 menunjukkan jarak di antara dua aliran air, x 1 dan x 2 apabila udara ditiup pada bahagian tengah dengan dua tiub yang mana muncungnya mempunyai luas keratan rentas yang berbeza. Tekanan udara yang dibekalkan pada kedua-dua tiub adalah sama. Diagram 9.1 Rajah 9.1 (a) What is the meaning of pressure? Apakah maksud tekanan? Using Diagram 9.1 and Diagram 9.2, Menggunakan Rajah 9.1 dan Rajah 9.2, (i) Diagram 9.2 Rajah 9.2 [1 mark] [1 markah] (b) compare the cross sectional area of the nozzles bandingkan luas keratan rentas bagi muncung [1 mark] [1 markah] (ii) compare the distance between the two streams of water, x 1 and x2 . [1 mark] bandingkan jarak di antara dua aliran air, x 1 dan x 2. [1 20 markah] SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 (iii) relate the cross sectional area of the nozzle with the speed of the air at the nozzle. [1 mark] hubungkait luas keratan rentas muncung dengan laju udara pada muncung. [1 markah] relate the air pressure with the distance, x in between two streams of water. [1 mark] hubungkait tekanan udara dengan jarak, x di antara dua aliran air itu. [1 markah] deduce the relationship between the speed of air with the air pressure [1 mark] deduksikan hubungan antara laju udara dengan tekanan udara [1 markah] (iv) (v) (c) Diagram 9.3 shows a Bunsen burner. Rajah 9.3 menunjukkan satu penunu Bunsen. Diagram 9.3 Rajah 9.3 Explain how the Bunsen burner can produce a blue flame. [4 marks] Terangkan bagaimana penunu Bunsen boleh menghasilkan nyalaan biru. [4 markah] (d) Diagram 9.4 shows a submarine. Rajah 9.4 menunjukkan sebuah kapal selam. Diagram 9.4 21 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 Rajah 9.4 Using appropriate physics concepts, explain the suitable characteristics of the submarine that can work efficiently and safe. Menggunakan konsep-konsep fizik yang sesuai, terangkan ciri-ciri kapal selam yang sesuai yang boleh bekerja dengan cekap dan selamat. Your answer should include the following aspects: Jawapan anda hendaklah merangkumi aspek-aspek berikut: (i) Shape of the submarine Bentuk kapal selam. [2 marks] [2 markah] (ii) Strength of material used for body of the submarine [2 marks] Kekuatan bahan yang digunakan untuk badan kapal selam [2 markah] Rate of rusting for the material used. Kadar pengaratan untuk bahan yang digunakan. [2 marks] [2 markah] (iii) (iv) Component which enable the submarine to submerge and float. [2 marks] Komponen yang membolehkan kapal selam menyelam dan terapung. [2 markah] Type of power source used. Jenis sumber tenaga yang digunakan. [2 marks] [2 markah] (v) 10. Diagram 10.1 and Diagram 10.2 show traces on the screen of a Cathode Ray Oscilloscope (C.R.O) when connected to the output ac generators of different frequency. Rajah 10.1 dan Rajah 10.2 menunjukkan surihan pada skrin sebuah Osiloskop Sinar Katod (O.S.K) apabila disambung kepada output sebuah penjana a.u yang berbeza frekuensi. Diagram 10.1 Rajah 10.1 (a) SULIT What is meaning of frequency? 22 Diagram 10.2 Rajah 10.2 [1 mark] 4531/2 http://www.chngtuition.blogspot.com SULIT 4531/2 Apakah maksud frekuensi? [1 markah] Using Diagram 10.1 and Diagram 10.2, compare the amplitude, number of complete oscillations and period of the traces. Relate the number of complete oscillations with the period of oscillation to make a deduction regarding the relationship between period and frequency. [5 marks] Menggunakan Rajah 10.1 dan Rajah 10.2, bandingkan amplitud, bilangan ayunan lengkap dan tempoh bagi surihan itu. Hubungkait bilangan ayunan lengkap dengan tempoh ayunan untuk membuat satu deduksi berkaitan dengan hubungan antara tempoh dengan frekuensi. [5 markah] Diagram 10.3 shows a loud speaker produces sound waves in air. Rajah 10.3 menunjukkan satu pembesar suara menghasilkan gelombang air di udara. (b) (c) Diagram 10.3 Rajah 10.3 . Explain how the sound waves is produced . Terangkan bagaimana gelombang bunyi dihasilkan. (d) [4 marks] [4 markah] Diagram 10.4 shows a radar system at an airport. Rajah 10.4 menunjukkan satu sistem radar di sebuah lapangan terbang. Diagram 10.4 23 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 Rajah 10.4 Using appropriate physics concepts, explain the modifications should be done on the system so that it can be used to determined the position of an aeroplane more efficiently. Menggunakan konsep-konsep fizik yang sesuai, terangkan pengubahsuaian yang perlu dilakukan ke atas sistem itu supaya ia boleh digunakan untuk menentukan kedudukan kapal terbang dengan lebih cekap Your answer should include the following aspects : Jawapan anda hendaklah merangkumi aspek-aspek berikut: (i) Diameter of the parabolic disc. Diameter piring parabola. [2 marks] [2 markah] (ii) Distance of the signal receiver from the centre of the parabolic disc. [2 marks] Jarak penerima isyarat dari pusat piring parabola. [2 markah] Type of wave transmitted Jenis gelombang yang dipancar Height of the parabolic disc from the ground. Ketinggian piring parabola dari bumi. Characterictics of the surface of the parabolic disc. Ciri-ciri bagi permukaan pring parabola 2 marks] [2 markah] [2 marks] [2 markah] [2 marks] [2 markah] (iii) (iv) (v) 24 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 SECTION C BAHAGIAN C [20 marks] [20 markah] Answer any one question from this section. Jawab mana-mana satu soalan daripada bahagian ini. 11. Diagram 11.1 shows a vibrating pile driver used to drive a steel pile to the ground. The force involved in driving the steel pile is impulsive force. Rajah 11.1 menunjukkan satu pelantak cerucuk yang digunakan untuk menanam cerucuk besi ke dalam tanah. Daya yang terlibat dalam menanam cerucuk besi ini adalah daya impuls. Diagram 11.1 Rajah 11.1 (a) (i) What is the meaning of impulsive force? Apakah yang dimaksudkan dengan daya impuls? [1 mark] [1 markah] (ii). Explain how the steel pile is driven to the ground. [4 marks] Terangkan bagaimana cerucuk besi ditanam ke dalam tanah. [4 markah] 25 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 (b) Diagram 11.2 .shows a tennis player is hitting a tennis ball with his racket. Rajah 11.2 menunjukkan seorang pemain tenis memukul bola tenis dengan menggunakan raketnya. Diagram 11.2 Rajah 11.2 You are required to investigate the techniques done by the player and the characteristics of the racket’s string as shown in Table 11. Anda dikehendaki menyiasat teknik yang dibuat oleh pemain itu dan ciri-ciri tali raket seperti ditunjukkan dalam Jadual 11. Techniques and characteristic s of string Teknik dan ciri-ciri tali Time of contact between the ball and racket Masa tindakan antara bola dengan raket Material of the string Bahan tali raket Action after hitting the ball Tindakan selepas memukul bola Continue to swing the racket after hitting the ball Meneruskan ayunan raket selepas memukul bola String tension Tegangan tali P Long Panjang High Tinggi Steel Besi 26 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 Q R S Continue to swing the racket after hitting the ball Meneruskan ayunan raket selepas memukul bola Stops the racket immediately after hitting the ball Menghentikan raket sebaik sahaja memukul bola Stops the racket immediately after hitting the ball Menghentikan raket sebaik sahaja memukul bola Table 11 Jadual 11 Short Singkat High Tinggi Nylon Nilon Short Singkat Low Rendah Steel Besi Long Panjang Low Rendah Nylon Nilon Explain the suitability of the techniques done by the tennis player and characteristics of the racket’s string. Determine the most effective techniq done by the tennis player and the most suitable characteristics of the racket’s string to produce high speed motion of the tennis ball after being hit. Give reasons for the choice. [10 marks] Terangkan kesesuaian teknik yang dibuat oleh pemain tenis itu dan ciri-ciri bagi tali raket. Tentukan teknik yang paling efektif yang dibuat oleh pemain tenis itu dan ciriciri yang paling sesuai bagi tali raket untuk menghasilkan gerakan bola tenis yang berhalaju tinggi selepas dipukul. Beri sebab bagi pilihan itu. [10 markah] 27 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT (c) 4531/2 A tennis ball of mass 100 g is moving at a velocity of 40 m s-1. A player hits the ball and moves in the opposite direction with a velocity of 50 m s -1. The time of collision is 20 ms. Sebiji bola tenis berjisim 100 g sedang bergerak pada halaju 40 m s-1. Seorang pemain memukul bola itu dan bergerak dalam arah berlawanan dengan halaju 50 m s -1. Masa perlanggaran aalah 20 ms. Calculate: Hitungkan: (i) The mass of ball in unit kg. Jisim bola dalam unit kg. The time of collision in unit second. Masa hentaman dalam unit saat. Impulsive force acted on the tennis ball. Daya impuls yang bertindak ke atas bola tenis itu. [1 mark] [1 markah] [1 mark] [ 1markah] 3 marks] [3 markah] (ii) (iii) 12. Diagram 12.1 shows two identical bulbs that are connected to a dry cell and an ammeter. The current flows through the bulbs is measured by the ammeter. Rajah 12.1 menunjukkan dua biji mentol yang serupa disambungkan kepada suatu sel kering dan sebuah ammeter. Arus yang mengalir melalui mentol itu diukur oleh oleh ammeter itu. Diagram 12.1 Rajah 12.1 28 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT (a) What is the meaning of current? Apakah maksud arus? (i) Name the type of connection of the bulbs. Namakan jenis sambungan mentol. Draw the circuit diagram for Diagram 12. 1. Lukis rajah litar untuk Rajah 12.1 4531/2 [1 mark] [1 markah] [1 mark] [1 markah] [1 mark] [1 markah] (b) (ii) (iii) Explain what happens to the reading of ammeter when anidentical bulb is connected parallel to points P and Q? [2 marks] Terangkan apa berlaku kepada bacaan ammeter itu apabila sebiji mentol yang serupa disambungkan secara selari pada titik P dan Q. [2 markah] (c) Diagram 12.2 shows a three pin plug connected to an electric iron labeled 240 V, 1000W. A fuse is installed in the three pin plug. Rajah 12.2 menunjukkan sebuah palam tiga disambungkan kepada sebuah seterika elektrik berlabel 240 V, 1000W. Satu fius dipasangkan dalam palam tiga pin itu. Diagram 12.2 Rajah 12.2 Table 12 shows the characteristics of metals that could be used as fuse wire. Jadual 12 menunjukkan ciri-ciri logam yang boleh digunakan sebagai dawai fius. 29 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 Metal Logam P Q R S Melting point (oC) Takat lebur(oC) High Tinggi Low Rendah Low Rendah High Tinggi Ampere value (A) Nilai ampere(A) 4.2 4.0 4.2 5.0 Table 12 Jadual 12 Diameter of wire Diameter wayar Big Besar Small Kecil Small Kecil Big Besar Resistivity Kerintangan Low Rendah High Tinggi High Tinggi Low Rendah You are required to determined the most suitable metal that can be used as a fuse wire as shown in Diagram 12.2. Anda dikehendaki menentukan logam yang paling sesuai untuk digunakan sebagai dawai fius seperti yang ditunjukkan dalam Rajah 12.2. Study the specifications of the four metals based on the following aspects: Kaji spesifikasi keempat-empat logam itu berdasarkan aspek-aspek berikut: (i) Melting point of wire Takat lebur dawai Ampere value of the fuse Nilai ampere pada fius Diameter of wire Diameter dawai Resistivity of wire Kerintangan dawai [2 marks] [2 markah] [2 marks] [2 markah] [2 marks] [2 markah] [2 marks] [2 markah] (ii) (iii) (iv) (d) Diagram 12.3 shows an energy saver light bulb labeled 240 V 12 W and it is connected to the 240 V power supply. The power released by the bulb is 10 W. Rajah 12.3 menunjukkan sebuah mentol jimar tenaga berlabel 240 V 12W dan disambungkan kepada bekalan kuasa 240 V. Kuasa yang dibebaskan oleh mentol itu ialah 10 W. 30 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT 4531/2 Diagram 12.3 Rajah 12.3 Calculate Hitung (i) the current flows through the bulb. arus yang mengalir melalui mentol. the power lost from the bulb. kuasa yang hilang daripada mentol itu. the efficiency of the bulb. kecekapan mentol itu. [5 marks] [5 markah] (ii) (iii) END OF QUESTION SOALAN TAMAT 31 SULIT http://www.chngtuition.blogspot.com 4531/2 SULIT NAMA: ………………………………………TING : …………… ANGKA GILIRAN : …………………………………………….. MAJLIS PENGETUA-PENGETUA SEKOLAH MENENGAH MALAYSIA CAWANGAN KELANTAN PEPERIKSAAN PERCUBAAN SIJIL PELAJARAN MALAYSIA PHYSICS Kertas 3 Ogos / Sept 1 ½ jam 2012 4531/3 Satu jam tiga puluh minit JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU Untuk Kegunaan Pemeriksa 1. Kertas soalan ini adalah dalam dwibahasa. 2. Soalan dalam bahasa inggeris mendahului soalan sepadan dalam bahasa Melayu 3. Calon dibenarkan menjawab keseluruhan atau sebahagian soalan sama ada dalam bahasa Inggeris atau bahasa Melayu. 4 Calon dikehendaki membaca maklumat di halaman belakang kertas soalan ini B 4 Jumlah 12 Kod Pemeriksa : Bahagian Soalan 1 A 2 3 12 12 Markah Penuh 16 Markah Diperolehi Kertas soalan ini mengandungi 15 halaman bercetak dan halaman tidak bercetak. Maklumat berikut mungkin berfeadah . Simbol-simbol mempunyai makna yang biasa. http://www.chngtuition.blogspot.com SULIT 2 Section A Bahagian A [28 marks] [28 markah] Answer all questions in this section. Jawab semua soalan dalam bahagian ini. 1. A student carries out an experiment to investigate the relationship between the length of wire ,l, and the resistance ,R. The arrangement of apparatus is shown in Diagram 1.1. An ammeter , dry cells, a rheostat, a switch and a piece of constantan wire are connected in series. A voltmeter is used to measure the potential difference, V, across the wire of length , l. Seorang murid menjalankan satu eksperimen untuk mengkaji hubungan antara panjang suatu dawai, l, dengan rintangan , R. Susunan radas ditunjukkan dalam Rajah 1.1 . Sebuah ammeter, sel kering, reostat, suis dan dawai konstantan disambung secara sesiri. Sebuah voltmeter digunakan untuk mengukur beza keupayaan , V , merentasi dawai sepanjang , l . Ammeter Ammeter Jockey Joki l Meter ruler Pembaris meter Constantan Wire Dawai konstantan Voltmeter Voltmeter Diagram 1.1 Rajah 1.1 A constantan wire of length , l = 20.0 cm is set up by moving the jockey on the wire which is attached to the meter ruler. When the switch is on, the rheostat is adjusted until the ammeter reading is 1.0 A. The voltmeter reading is as shown in Diagram 1.2. Dawai konstantan dengan panjang, l = 20.0 cm disediakan dengan menekan joki di atas dawai yang dilekatkan pada pembaris meter. Apabila suis dihidupkan , reostat dilaraskan sehingga bacaan ammeter adalah 1.0 A. Bacaan voltmeter, V , adalah sebagaimana ditunjukkan dalam Rajah 1.2. 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 2 SULIT 3 V = …………………V Length of wire, l = 20.0 cm Panjang dawai, l = 20.0 cm Diagram 1.2 Rajah 1.2 The procedure is repeated with length of constantan wire , l = 40.0 cm, 60.0 cm, 80.0 cm and 100.0 cm. The corresponding voltmeter readings across the wire are shown in Diagram 1.3 , 1.4, 1.5 and 1.6. Prosedur diulangi dengan panjang dawai konstantan , l = 40.0 cm, 60.0 cm, 80.0 cm dan 100.0 cm. Bacaan voltmeter yang sepadan yang merentasi dawai adalah ditunjukkan pada Rajah 1.3, 1.4.1.5 dan 1.6 . V = ……………………V Length of wire, l = 40.0 cm Panjang dawai, l = 40.0 cm Diagram 1.3 Rajah 1.3 V = ………………V Length of wire, l = 60.0 cm Panjang dawai, l = 60.0 cm Diagram 1.4 Rajah 1.4 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 3 SULIT 4 V = ……………………V Length of wire, l = 80.0 cm Panjang dawai, l = 80.0 cm Diagram 1.5 Rajah 1.5 V = ………………V Length of wire, l = 100.0 cm Panjang dawai, l = 100.0 cm Diagram 1.6 Rajah 1.6 (a) For the experiment describe on page 2 and 3, identify : Bagi eksperimen yang diterangkan di halaman 2 dan 3, kenalpasti; (i) The manipulated variable Pembolehubah dimanipulasikan ………………………………………………………………………………………….. [ 1 mark] [1 markah] The responding variable Pembolehubah bergerak balas ………………………………………………………………………………………….. [ 1 mark] [1 markah] The constant variable Pembolehubah dimalarkan ………………………………………………………………………………………….. [ 1 mark] [1 markah] (ii) (iii) (b) Based on Diagrams 1.2,1.3, 1.4 and 1.5 on pages 3 and 4 : Berdasarkan Rajah 1.2,1.3,1.4 dan 1.5, dihalaman 3 dan 4 : (i) Record the voltmeter reading, V in the spaces provided. Catat bacaan voltmeter , V , dalam ruang yang disediakan . [ 2 marks] [2 markah] 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 4 SULIT (ii) 5 For each value of V in 1(b)(i), calculate the resistance, R by using the following equation; Bagi setiap nilai V di 1(b)(i), hitung rintangan, R dengan menggunakan persamaan berikut; V R= . 1 Record the value of R. Catat nilai R. [ 1 mark] [1 markah] Tabulate your results for all values of l, V and R in the space below. Jadualkan keputusan anda bagi semua nilai l, V , dan R pada ruang di bawah. (iii) [4 marks] [4 markah] (c) On the graph paper on page 6, draw a graph of , R against l . Pada kertas graf di halaman 6, lukis graf , R melawan l. Based on the graph in 1(c), state the relationship between R and l . Berdasarkan graf di 1(c), nyatakan hubungan antara R dengan l . …………………………………………………………………………………………………... [ 1 mark] [1 markah] [5 marks] [5 markah] (d) 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 5 SULIT 6 Graph of, R against 1 Graf, R me1awan 1 4531/3 HakMPSM 2012 SULIT http://www.chngtuition.blogspot.com 6 SULIT 2. 7 A student carries out an experiment to investigate the relationship between the image distance, v , and the linear magnification , M of a convex lens . The result of experiment is shown in Diagram 2.1 Seorang pelajar menjalankan eksperimen untuk menyiasat hubungan antara jarak imej, v , dan pembesaran linear, M bagi sebuah kanta cembung. Keputusan eksperimen ditunjukkan dalam Rajah 2.1 v/ cm . 60 50 40 30 20 10 0 1 2 Diagram 2.1 Rajah 2.1 3 4 M 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 7 SULIT 8 (a) (i) What happen to M as v increases ? Apa yang berlaku kepada M apabila v bertambah? ………………………………………………………………………………………….. [ 1 mark] [1 markah] (ii) Determine the value of v when M = 0. Show on the graph how you determine the value of v. Tentukan nilai v apabila M = 0. Tunjukkan pada graf itu bagaimana anda menentukan nilai v. v = ……………………………………………………………………………………… [ 2 marks] [2 markah] (b) The focal length of the lens is given by the formula f = k , where k , is the gradient of the graph V against M. Panjang fokus bagi kanta itu diberikan oleh persamaan, f = k , di mana k, ialah kecerunan graf V melawan M. (i) Calculate the gradient , k , of graph . Show on the graph how you calculate the value of k. Hitungkan kecerunan graf, k. Tunjukkan pada graf itu bagaimana anda menghitung nilai k. (ii) k = …………………………………………………………………………………….... [ 3 marks] [ 3 markah] 1 Using the formula P = , and the value of k in 2(b)(i), calculate the value of P. f 1 Menggunakan formula P = , dan nilai k dalam 2(b)(i), hitung nilai P. f [ 1 mark] [ 1 markah] 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 8 SULIT 9 (c) The magnification of image , M is 2.5. Pembesaran imej, M ialah 2.5. (i) Based on the graph in Diagram 2.1 determine the image distance, v. Show on your graph how you determine v. Berdasarkan graf di Rajah 2.1, tentukan jarak imej, v. Tunjukkan pada graf bagaimana anda menentukan v . (ii) v = …………………………………………………………………………………….... [ 2 marks] [2 markah] The formula of lens is given by; 1 1 1 = + . f u v Calculate the object distance, u. Forrmula kanta diberi oleh ; 1 1 1 = + f u v Hitungkan jarak objek , u . [ 2 marks] [2 markah] (d) State one precaution that can be taken to improve the accuracy of the reading in this experiment. Nyatakan satu langkah berjaga-jaga yang perlu diambil untuk menambahkan kejituan bacaan dalam eksperimen ini. ………………………………………………………………………………………………….. [ 1 mark] [ 1 markah] 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 9 SULIT 10 Section B Bahagian B [ 12 marks] [12 markah] Answer any one que stion from this section. Jawab mana-mana satu soalan daripada bahagian ini. 3. Diagram 3.1 and Diagram 3.2 show the conditions of identical metal boxes which are used to cover a camera, tied to a big catfish in a river water and to a small shark in the sea water. Rajah 3.1 dan Rajah 3.2 menunjukkan keadaan kotak logam yang serupa yang digunakan untuk melindungi kamera, diikat pada ikan keli yang besar dalam air sungai dan ikan yu kecil dalam air laut. Metal box Kotak logam Camera Kamera Metal box Kotak logam Camera Kamera Diagram 3.1 Rajah 3.1 Diagram 3.2 Rajah 3.2 The metal box tied to the the small shark is more crumple. Kotak logam yang diikat pada ikan yu kecil adalah lebih kemek. Based on the information and observation ; Berdasarkan maklumat dan pemerhatian tersebut; (a) State one suitable inference, Nyatakan satu inferens yang sesuai. [1 mark] [1 markah] (b) State one suitable hypothesis Nyatakan satu hipotesis yang sesuai [1 mark] [1 markah] 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 10 SULIT 11 (c ) With the use of apparatus such as a thistle funnel, measuring cylinder and other apparatus, describe one experiment to investigate the hypothesis stated in 3 (b). Dengan menggunakan radas seperti corong tisel, silinder penyukat dan radas lain,terangkan satu eksperimen untuk menyiasat hipotesis yang dinyatakan di 3(b). In your description, state clearly the following : Dalam penerangan anda nyatakan dengan jelas perkara berikut (i) The aim of an experiment Tujuan eksperimen The variable in experiment Pembolehubah dalam eksperimen The list of apparatus and materials Senarai radas dan bahan The arrangement of the apparatus Susunan radas The procedure of the experiment, which includes one method of controlling the manipulated variable and one method of measuring the responding variable Prosedur eksperimen yang mesti termasuk satu kaedah mengawal pemboleh ubah dimanipulasikan dan satu kaedah mengukur pemboleh ubah bergerak balas. The way to tabulate the data Cara menjadualkan data The way to analyse the data Cara menganalisis data [10 marks] [10 markah] . (ii) (iii) (iv) (v) (vi) (vii) 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 11 SULIT 4 12 Diagram 4.1 and 4.2 show a computer and a hand phone chargers are connected to power supply 240 V separately. The computer and the hand phone charger only need the voltage of 12V and 9V respectively. Rajah 4.1 dan 4.2 menunjukkan sebuah pengecas computer dan telefon mudah alih disambungkan kepada bekalan kuasa 240 V secara berasingan . pengecas computer dan telefon mudah alih itu masing-masing memerlukan voltan 12 V dan 9 V. Power supply, 240V Bekalan kuasa 240V Power supply, 240V Bekalan kuasa 240V secondary coil gegelung sekunder output 9V output , 9V output 12V output 12V secondary coil gegelung sekunder to computer ke komputer Diagram 4.1 Rajah 4.1 Diagram 4.2 Rajah 4.2 to handphone ke telefon bimbit The step down transformer that is installed in the computer and the hand phone chargers decreased the voltage supplied from 240 V as output voltage of 12 V and 9 V respectively. The number of turn of the secondary coil for transformer in the computer is more than in the hand phone charger. Transformer menurun yang dipasang dalam pengecas komputer dan telefon itu menurunkan voltan bekalan kuasa 240V kepada voltan output 12 V dan 9 V. Bilangan lilitan gegelung sekunder pada transformer dalam komputer adalah lebih banyak berbanding dalam pengecas telefon. Based on the information and observation: Berdasarkan maklumat dan pemerhatian: (a) State one suitable inference Nyatakan satu inferens yang sesuai. State one suitable hypothesis. Nyatakan satu hipotesis yang sesuai. [1 mark] [1 markah] [1 mark] [1 markah] (b) 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 12 SULIT (c) 13 With the use of apparatus such as low a.c power supply, a.c voltmeter, soft iron core , insulated copper wire and other apparatus, describe one experiment to investigate the hypothesis stated in 4(b). Dengan menggunakan radas seperti bekalan kuasa arus ulangalik, voltmeter a.u, teras besi lembut, dawai kuprum tidak bertebat, dan radas lain, huraikan satu eksperimen untuk menyiasat hipotesis yang dinyatakan di 4(b). In your description, state clearly the following: Dalam penerangan anda, nyatakan dengan jelas perkara berikut: (i) The aim of the experiment Tujuan eksperimen The variables in the experiment Pembolehubah dalam eksperimen The list of apparatus and materials Senarai radas dan bahan The arrangement of the apparatus Susunan radas The procedure used in the experiment. Describe how to control the manipulated variable and how to measure the responding variable Prosedur yang digunakan dalam eksperimen. Terangkan bagaimana mengawal pembolehubah dimanipulasi dan bagaimana mengukur pembolehubah bergerak balas. The way to tabulate the data Cara menjadualkan data The way to analyse the data Cara untuk menganalisis data [10 marks] [10 markah] (ii) (iii) (iv) (v) (vi) ` (vii) END OF QUESTION KERTAS SOALAN TAMAT 4531/3 Hak MPSM 2012 SULIT http://www.chngtuition.blogspot.com 13 PEPERIKSAAN PERCUBAAN KELANTAN 2012 JAWAPAN KERTAS 1 1 2 3 4 5 6 7 8 9 10 D C C B C D D B B D 11 12 13 14 15 16 17 18 19 20 C B C A D C B B C D 21 22 23 24 25 26 27 28 29 30 D C A A C B B B A B 31 32 33 34 35 36 37 38 39 40 D A A D D C B B A B 41 42 43 44 45 46 47 48 49 50 C D B C B D B C D D http://www.chngtuition.blogspot.com PERCUBAAN SIJIL PELAJARAN MALAYSIA (NEGERI KELANTAN) SKEMA PAPER 2 SECTION A Sub Mark 1 1 1 1 2 1 Total Mark 1 Question 1(a) (b)(i) b(ii) (c) mass Diagram 1.3 Mark Scheme The smallest scale division is smaller // D1.2 reads until 0.1 kg, D1.3 reads until 10 g Do repeated readings and find the average value // eyes is perpendicular/in line with the scale of readings when taking measurements Transverse / Plane waves M1 Show the path is not bended when enter the shallow area and is bended away from the normal line when enter the deep area Show the wavelength is decreased in shallow area and is equal in deep area TOTAL 2 (a) (b) 1 1 4M 1 M2 1 2 (c) = 4.5 m (answer with correct unit) 1 2 1 TOTAL 5M 1 1 3 (a) (b) (c)(i) (ii) (d) A substance which has unstable nucleus and always decays to be more stable by emitting radioactive radiation. Beta particle The cardboard sheet is thicker. Kepingan kadbod itu lebih tebal. Less number of beta particle can penetrate the thicker cardboard M1 100 g 50 g 25 g 12.5 g √ M2 1 1 1 1 1 1 TOTAL 2 // 3 years 2 6M http://www.chngtuition.blogspot.com Question 4 (a) (b)(i) (ii) (c) Mark Scheme Sub Mark Transistor npn To switch on the secondary circuit To limit the current flow 1 1 1 Total Mark 1 2 V2 R2 = 6 R2 + 1500 R 2 = 750 Ω Not lighted up Resistance of LDR decreases, voltage at base/ V 2 is small 1 2 1 1 1 TOTAL 2 7M 1 (d)(i) (ii) 5(a) (b)(i) (b)(ii) (b)(iii) (c)(i) (c)(ii) (d)(i) (d)(ii) Quantity of matter Diagram 5.2 > Diagram 5.1 // vice versa Diagram 5.2 > Diagram 5.1 / vice versa // y 2 > y 1 / vice versa same Mass increases, extension increases (accept if using symbol) Hooke’s law // F α x/y if elastic limit is not exceed Decreases Spring is stiffer // total K is increases 1 1 1 1 1 3 2 1 1 2 1 TOTAL 8M 1 1 6(a) (b)(i) (b)(ii) Current produced due to the change/cutting of magnetic flux // Current produced when there is a relative motion between the coil and magnet Changes / Cutting of magnetic flux 1 1 1 1 (b)(iii) (c)(i) (c)(ii) (d)(i) Lenz’s law Diagram 6.2 > Diagram 6.1 // vice versa Diagram 6.2 > Diagram 6.1 // vice versa Number of turns increases, deflection increases 1 1 1 2 1 1 http://www.chngtuition.blogspot.com Question (d)(ii) Mark Scheme Number of turns increases, magnitude of current flows increases Sub Mark 1 TOTAL Total Mark 2 8M 1 7(a) (b)(i) Reflection M1 light from object is reflected M2 Observer sees image in a straight line 1 2 3 (b)(ii) (c)(i) Upright// same size// virtual 1 M1 M2 n = 2 1.49 // 1.5 1 (c)(ii) (c)(iii) Total internal reflection // Reflect completely into the glass 1 (d)(i) 1 (d)(ii) Avoid multiple image // image is brighter// To allow total internal reflection occur 1 TOTAL 10 M 1 2 1 8 (a)(i) (a)(ii) The degree of hotness of an object M1 1 x 103 (1.0 x 60) = 0.05 c (78 – 20) M2 2.069 x 105 Jkg-1oC-1 1 1 http://www.chngtuition.blogspot.com Question (b) (c)(i) (c)(ii) Mark Scheme Sub Mark Total Mark 2 M1 0.05 (2.069 x 105)(78 – θ) = 2.0 (4 200) (θ – 28) M2 55.6oC M1 Polystyrene M2 Good heat insulator 1 1 2 M1 Big M2 Do not easily absorbed heat from surrounding // Not easily hot // Not easily releases heat to the ice M1 Big M2 Prevent heat from outside to easily enter S 2 6 (c)(iii) 2 1 TOTAL 1 12 M (d) SECTION B 9 (a) (b)(i) (b)(ii) (b)(iii) Force per unit surface area The cross sectional area of nozzle in Diagram 9.1 > 9.2 The distance between two streams of water in 9.1 > 9.2 // x 1 > x2 The bigger the cross sectional area the lower the speed of air // vice-versa The higher the air pressure between the two streams the longer the distance between two streams of water. // viceversa The higher the speed of air had blown, the lower the air pressure between the two streams of water. M1 Gas flow through a narrow nozzle at high speed M2 Low pressure is created 1 1 1 1 5 (b)(iv) 1 (b)(v) (c) 1 1 1 4 1 1 M3 The higher atmospheric pressure draws air into the low pressure region through air hole M4 Air mix with gas (undergoes complete combustion) (d) Charateristic Streamlined / aerodynamic shape Strong material Explanation Reduce water resistance Not easily breaks/damage // can withstand high pressure/force Not easily rust 1,1 1,1 Low rate of rusting 1,1 http://www.chngtuition.blogspot.com Has ballast tank Increase and decrease the total weight of submarine Last longer // save cost 1,1 1,1 10 TOTAL 20 M 1 Nuclear energy 10 (a) (b) The number of complete oscillations in 1 second M1 Amplitude of traces in Diagram 10.1 = Diagram 10.2 M2 Number of complete oscillation in Diagram 10.1 > Diagram 10.2 M3 Period in Diagram 10.1 < Diagram 10.2 M4 The higher the number of complete oscillations the shorter the period. M5 The shorter the period the higher the frequency // T = 1 5 5 (c) M1 M2 M3 M4 (When someone speaks the) paper cone will vibrating (The vibrating paper cone will vibrate) the air molecules When the paper cone moves to the right, it will produce a layer of compressed air When the paper cone moves to the left, it will produce a layer of rarefaction air The series of compressions and rarefactions (produces sound waves) 4 4 (d) Charateristic Large diameter of parabolic disc The distance of signal receiver from the centre of parabolic disc is equal to the focal length of the parabolic disc. Microwave Explanation Receive more signals 1,1 To focus/converged the signal received 1,1 High position from the ground Shining / smooth surface High frequency // high energy // short wave length // less diffracted The signal is not blocked. Able to reflect the signals efficiently. 10 1,1 1,1 1,1 TOTAL 20 M http://www.chngtuition.blogspot.com SECTION C 11(a)(i) (ii) A big force acting in a short time • Place the pile driver at a certain height • Release the steel pile onto the pile driver • Causes an impact on the pile driver in a short time • Produces high impulsive force on the pile driver Technique//Characteristics Explanation Continue to swing the racket Ball will move further // after hitting the ball produce higher impulse 1 1 1 1 1 (b) 2 Short time of contact between the ball and racket High impulsive force 2 2 High string tension High impulsive force // ball move with high acceleration High durability // not easy to break // more elastic 2 2 Nylon Q Continue to swing the racket after hitting the ball, Short time of contact between the ball and racket , High string tension, Nylon 1 (c) (i) 100 = 0.1 kg 1000 20 x 10 -3 = 2 x 10 -2 s F = m(v – u) t = 0.1 ( -50-40) 0.02 = - 450 N TOTAL (ii) 1 1 1 1 20M (iii) http://www.chngtuition.blogspot.com 12 (a) (b) (i) (ii) The rate of flow of charge Parallel 1 1 1 (iii) 1. Increases 2. The effective resistance of the circuit decreases. (c) Characteristics Low melting point 4.2 A Small diameter High resistivity R Explanation easy to melts little bit higher than the current flow through the iron ( 1000 / 240 = 4.16 A) increase the resistance increase the resistance Low melting point, ampere value is 4.2 A, Small diameter high resistivity of wire and High resistivity 1 1 2 2 2 2 2 (d) (i) I = = 0.05 A 1 1 1 1 1 TOTAL 20 M (ii) (12- 10) W // 2 W (iii) Efficiency = = 83.3 % % END OF SCHEME.. http://www.chngtuition.blogspot.com SULIT 1 2012 PEPERIKSAAN PERCUBAAN KELANTAN SKEMA KERTAS 3 Question 1(a)(i) Mark Scheme State the manipulated variable length of wire(conductor/resistor)// l panjang dawai ( konduktor, perintang) // l State the responding variable potential difference// voltage// V beza keupayaan // voltan // V State the fixed variable Diameter wire // thickness//size//temperature// type of conductor diameter dawai// ketebalan dawai// saiz dawai//suhu dawai // jenis dawai State all value of V All the value of V are correct ( 2 m ) 4 values of V are correct (1m) l /cm 20 40 60 80 100 (ii) V/V 0.9 1.8 2.7 3.6 4.5 2 All correct : 2M 4 values correct : 1M 2 Sub Mark 1 1 Total Mark (ii) 1 1 (iii) 1 1 (b) (i) Calculate all value of V l / cm 20 40 60 80 100 V /V 0.9 1.8 2.7 3.6 4.5 1 1 Hak milik MPSM, Kelantan SULIT http://www.chngtuition.blogspot.com PAPER 3/2012 SULIT 2 2012 (c) (iii) Tabulate the data length , pot ential difference,V/V l / cm 20 0.9 40 1.8 60 2.7 80 3.6 100 4.5 Resistance,R/Ω 0.9 1.8 2.7 3.6 4.5 – All topic or symbol, l , V and R are tabulated - All correct unit given for l, V, and R - Values of V are consistent. - Values of V are consistent. 4 4 (d) Draw a Graph – State the correct topic of axis Menyatakan tajuk yang betul pada paksi - State the correct unit Menyatakan unit yang betul - Using an even scale Menggunakan skala genap: ex: 1:2 , 1: 5 , 2 : 6 Plot the point correctly Plot titik dengan betul - All the point plotted correctly Semua titik di pkot dengan betul - 4 point polled correctly 4 titik di plot betul. - Draw a best fit straight line Lukis garis penyuaian terbaik - Use a graph more than 50 % graf diguna melebihi 50% 5 5 Hak milik MPSM, Kelantan SULIT http://www.chngtuition.blogspot.com PAPER 3/2012 SULIT 3 2012 Skor ( ) 7 5–6 3-4 2 1 0 Mark 5 4 3 2 1 0 (e) State the correct relationship R is directly proportional to l. R berkadar terus dengan l . [ syarat - graf mesti lalu (0,0) – lain jawapan reject ] [ Note : Graf lurus tak lalu (0,0) tapi pelajar jawab, V increasing linearly to θ - Reject ] TOTAL 16 1 1 2(a) (i) State the changes of M correctly M increase M bertambah M1 Show the extrapolation on the graph M2 State the value and unit correctly 10 cm 1 1 (ii) 1 2 1 1 b(i) M1 Draw a big triangle on the graph ≥ 8 cm x 8 cm M2 Correct substitute (50 − 10) (4 − 0) M3 Correct answer with correct unit 10 cm 1 3 1 Hak milik MPSM, Kelantan SULIT http://www.chngtuition.blogspot.com PAPER 3/2012 SULIT (b)(ii) M1 Correct answer and unit = 1/ 0.1 = 10 D M1 Draw a line on graph M2 State the answer 38.5 cm // 0.385 m (c)(ii) M1 Correct substitute 1 1 1 = + atau 2.5 = 35 / u 10 u 35 M2 Answer with correct unit u = 14.0 cm // 0.14 m (d) 4 2012 1 1 1 c(i) 1 1 2 1 2 1 1 Eyes is perpendicular to the scale of meter rule when taking measurements// Do the experiment in dark room// repeated readings of v for same u three time and find the average value as to increase the accuracy of the readings State the correct Inference: The pressure in liquid depends on the density of liquid . State the correct Hypothesis: When the density of liquid increases , the pressure also increases 1 3. (a) 3(b) 1 1 1 1 State the aim of the experiment : To investigate the relationship between the density of the liquid and the pressure. (ii) State the variables in the experiment: Manipulated variable: density Responding variable: pressure Fixed variable : depth. List the apparatus and material Meter rule, manometer, meaasuring cylinder, water, salt, triple beam balance, thistle funnel, mercury 1 1 2 1 3(c)(i) (iii) 1 1 Hak milik MPSM, Kelantan SULIT http://www.chngtuition.blogspot.com PAPER 3/2012 SULIT (iv) Arrangement of apparatus Meter rule Pembaris meter Manometer Manometer 5 2012 Rubber tube Tiub getah Measuring cylinder Selinder penyukat h 1 1 Thistle funnel Corong tisel Mercury Raksa Rubber membrane Membran getah (vi) Procedure of experiment State how to control the manipulated variable The measuring cylinder is filled with water of volume, V = 250 ml and mixed with salt of mass 10 g. Immersed the thistle funnel into the water at the depth of water, h = 30 cm . State how to measure the responding variable Measure the diffrence length of mercury column, y , at the manometer and record the data. 1 Repeat the experiment Repeat the experiment with different mass of salt m = 20g , 30g, 40g and 50g. 1 1 3 Hak milik MPSM, Kelantan SULIT http://www.chngtuition.blogspot.com PAPER 3/2012 SULIT 6 2012 Tabulating data mass,m /g 10 20 30 40 50 Analysing data Length, y /cm // Pressure m/g // density TOTAL 4. Inference: The output voltage of the transformer depends on the number of turns of the secondary coil. Hypothesis: The output voltage of the transformer increases as the number of turns of the secondary coil increases Aim of the experiment : To investigate the relationship between the number of turns of the secondary coil and output voltage of a transformer. Variables in the experiment: Manipulated variable: the number of turns of the secondary coil, N Responding variable: The output voltage, V Fixed variable: number of turns of the primary coil and the input voltage. List of apparatus and materials: low a.c power voltage, insulated copper wire, iron-core, a.c voltmeter and connection wire. 1 1 12 Difference length of mercury column , y / cm 1 1 1 1 1 1 1 1 1 2 1 1 1 Hak milik MPSM, Kelantan SULIT http://www.chngtuition.blogspot.com PAPER 3/2012 SULIT 7 Arrangement of the apparatus: 1 2012 1 Procedure: The number of turns of the primary coil N p = 150 turns. The number of turns of the secondary coil N s = 20 turns The low voltage of a.c power supply is switched on. The reading of the voltmeter is measured , V The experiment is repeated with N s = 40, 60, 80 and 100 turns (accept : step-down transformer) Tabulating data Number of turn of secondary coil, N 20 40 60 80 100 Analysing data V (V) 1 N OR stated : draw a graph V against N TOTAL 12 1 3 1 1 1 Output voltage, V / V 1 1 Hak milik MPSM, Kelantan SULIT http://www.chngtuition.blogspot.com PAPER 3/2012 SULIT 8 2012 Hak milik MPSM, Kelantan SULIT http://www.chngtuition.blogspot.com PAPER 3/2012