XMS Prelim P1

1 This document consists of 18 printed pages and 0 blank page. XINMIN SECONDARY SCHOOL SEKOLAH MENENGAH XINMIN Preliminary Examination 2024 CANDIDATE NAME CLASS INDEX NUMBER PHYSICS Secondary 4 Express Setter: Ms Kris Chua Vetter: Mr Zhuang Haoyang 6091/01 28 Aug 2024 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, class and index number on the Question Paper and Answer Sheet in the spaces provided. There are forty questions in this paper. Answer all questions. For each question, there are four possible answers, A, B, C, D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. The use of an approved scientific calculator is expected, where appropriate. For Examiner’s Use Total 40 Parent’s Signature

2 XMSS/Physics/6091/01/Preliminary Examination 2024 1 A student determines the circumference of a football. Which instrument gives a reading that is the circumference of the football? A digital calipers B digital micrometer gauge C measuring tape D metre rule 2 Which of the following groups of physical quantities consists only of scalars? A force, time, velocity B mass, speed, time C acceleration, force, velocity D acceleration, mass, speed 3 A metal cube has a mass of 15 g. Each side measures 4.0 cm. The density of the metal is 3.0 g/cm3. There is empty space in the middle of the cube. What is the volume of the empty space? A 5.0 cm3 B 11 cm3 C 19 cm3 D 59 cm3 4 Four balls with different masses are dropped from the heights shown. Air resistance may be ignored. Which ball has the smallest average speed?

3 XMSS/Physics/6091/01/Preliminary Examination 2024 5 A coin falls from rest through the air and eventually reaches a constant speed. There is a resultant force acting on the coin due to the two forces P and Q shown in the diagram. What happens to force P and what happens to the resultant force before the coin reaches constant speed? force P resultant force A decreases increases B decreases decreases C increases decreases D increases increases 6 An apple falls freely from a tree. The diagram shows the apple at P, as it starts to fall, and at Q, just before it hits the ground. The acceleration due to gravity is 10 m/s2. What is the acceleration of the apple at position P and at position Q? acceleration at P m/s2 acceleration at Q m/s2 A 0 0 B 0 10 C 10 0 D 10 10 P Q P Q P

4 XMSS/Physics/6091/01/Preliminary Examination 2024 7 A resultant force acts on an object and causes it to move in a straight line. The graph shows how the resultant force varies with time. Which graph is the speed-time graph for the object?

5 XMSS/Physics/6091/01/Preliminary Examination 2024 8 The diagram shows a uniform metal bar of mass 30 kg. A student pulls straight up with a force F at one end Y of the bar so that it pivots about the end X. When the end Y just comes off the ground, what is the value of the force F? A 15 N B 60 N C 150 N D 240 N 9 A circular lamina with uniform density has three holes drilled on it as shown in the diagram below. Where is the most possible location of its centre of gravity? F X Y A B C D

6 XMSS/Physics/6091/01/Preliminary Examination 2024 10 The base for a statue rests on level ground. It is made from stone and is 2.0 m long, 2.5 m high and 0.80 m wide. It has a weight of 96000 N. What is the pressure that the base exerts on the ground? A 24 kPa B 48 kPa C 60 kPa D 60 000 kPa 11 Two glass containers filled with different liquids are placed next to each other. Point P is a distance h below the surface of the liquid in one container. Point Q is a distance h below the surface of the liquid in the other container. Why is the pressure at P different from the pressure at Q? A The atmospheric pressure is different at P. B The densities of the liquids are different. C The gravitational field strength is different at P. D The shapes of the containers are different.

7 XMSS/Physics/6091/01/Preliminary Examination 2024 12 Some solar panels have a total area of 12 m2. Each 1.0 m2 of the panels receives 0.85 kJ of energy from the Sun in 1.0 s. The efficiency of the panels is 16 %. How much power do they produce? A 1.6 kW B 2.2 kW C 64 kW D 160 kW 13 A parachutist has opened his parachute and is falling to Earth at constant speed. What is the overall energy store conversion taking place as he falls? A kinetic store  internal store B kinetic store  gravitational potential store C gravitational potential store  internal store D gravitational potential store  kinetic store 14 A ball of mass 0.40 kg rolls down a hill. 2.0 m above the bottom of the hill, the speed of the ball is 3.0 m/s. The gravitational field strength g is 10 NI kg. What is the kinetic energy of the ball at the bottom of the hill given that the work done to overcome friction is 1.8 J? A 1.8 J B 8.0 J C 8.6 J D 9.8 J 15 The simple kinetic theory explains that when a solid at melting point melts, the molecules A grow in size to become gas molecules. B break off their intermolecular bonds. C vibrate faster and collide more often with one another. D grow in size and form bubbles.

8 XMSS/Physics/6091/01/Preliminary Examination 2024 16 To keep a bottle of milk cold without a refrigerator on a hot day, the bottle can be covered with a damp cloth in a bowl of water. How does this method keep the milk cold? A Milk condenses on the cloth. B Milk evaporates from the cloth. C Water condenses on the cloth. D Water evaporates from the cloth. 17 On a cold night, two children sit next to a campfire to warm their hands. Their hands are at the same distance from the fire. Child 2 holds his hand over the fire and child 1 holds her hands in front of the fire. How does the heat from the fire reach each child’s hands? Child 1 Child 2 A convection only radiation only B convection radiation only C radiation only convection and radiation D radiation only convection only bottle water damp cloth milk bowl Child 2 Child 1

9 XMSS/Physics/6091/01/Preliminary Examination 2024 18 A liquid is heated and its temperature rises. Which of the following statements about the particles of the liquid is correct? A The kinetic energy and internal energy of the liquid particles remain constant. B The kinetic energy of the liquid particles remains constant but the internal energy of the liquid particles increases. C The kinetic energy of the liquid particles increases but the internal energy of the liquid particles remains constant. D The kinetic energy and internal energy of the liquid particles increase. 19 An ice-cube has a mass of 7.50 g. The ice-cube is at 0 °C. Heat from the surroundings reaches the ice-cube at an average rate of 1.25 J/s. Given that the specific latent heat of fusion of ice is 330 J/g, how long does it take the ice to melt? A 35.5 s B 55.5 s C 1980 s D 3120 s 20 The diagram shows a wave on a rope. The wave is travelling from left to right. At the instant shown, point L is at a maximum displacement and point M has zero displacement. Which row in the table correctly describes the motion of points L and M during the next half cycle of the wave? Point L Point M A rises falls B rises falls then rises C rises then falls rises D rises then falls falls then rises LM M L

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