Bowen Prelim P1

Class Full Name Index Number Preliminary Examination 2024 I believe, therefore I am PHYSICS Paper 1 Multiple Choice Secondary 4 Express 26 August 2024 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write your in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name and index number on the Answer Sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. Answer all questions. For each question, there are four possible answers A, B, C and 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. This document consists of 17 printed pages, including the cover page. O 6091 / 01

2 1 The symbol ‘g’ can be used to refer to the acceleration due to gravity. The acceleration due to gravity has the unit m/s2. Which of the following is an alternative unit for ‘g’ when it refers to the gravitational field strength? A J / kg B J / kg2 C N / kg D N / kg2 2 A moving bicycle cruising at a speed of 5.0 m/s brakes to stop at a traffic light. Given that it brakes uniformly and stops in 3.0 m, how long does the cyclist take to stop? A 0.60 s B 1.2 s C 1.3 s D 3.0 s 3 A free-fall parachutist falls at a constant speed. He then opens his parachute and continues to fall to Earth at a lower, constant speed. Which diagram below represents the motion described above? A B C D 4 A force of 20 N pushes an object of weight 50 N along a rough horizontal surface where the frictional force is 5.0 N. What is the acceleration of the object? A 0.30 m/s2 B 3.0 m/s2 C 30 m/s2 D 300 m/s2

3 5 The diagram below shows a person attempting to push a large rock. Some forces acting in this system are identified as shown. Which option correctly identifies the Newton’s Third Law force pair in this scenario? A Weight of person and normal force. B Weight of rock and normal force of the ground. C Applied force by foot on the ground and weight of person. D Applied force of the person to rock and reaction force of the rock.

4 6 The diagram below shows three toy animals hanging from a rod. The rod hangs from the ceiling by a string tied to the centre of the rod. Given that the system is in equilibrium, what is the mass of the toy elephant? A 6.0 g B 8.0 g C 9.0 g D 16 g 7 The diagram below shows a hydraulic system. Which statement is correct? A The force exerted on the oil by piston Y is greater than the force exerted by the oil on piston Z. B The pressure exerted on the oil by piston Y is greater than the pressure exerted by the oil on piston Z. C The force exerted on the oil by piston Y is the same as the force exerted by the oil on piston Z. D The pressure exerted on the oil by piston Y is the same as the pressure exerted by the oil on piston Z.

5 8 The diagram below shows a diver swimming in a sea. Given that atmospheric pressure at sea level is 1 atm and that 10 m of water can exert a pressure equivalent to 1 atm, what is the pressure experienced by the diver at a depth of 20 m below the water surface? A 1 atm B 2 atm C 3 atm D 4 atm 9 A child drinks a liquid of density ρ through a vertical straw. Atmospheric pressure is po and the child is capable of lowering the pressure at the top of the straw by 10%. The acceleration of free fall is g. What is the maximum length of straw that would enable the child to drink the liquid? A po 10 ρ g B 9 po 10 ρ g C po ρ g D 10 po ρ g 10 A stone drops from height at constant speed. What is the principal energy transfer taking place as it falls? A kinetic store to internal (thermal) store of energy B kinetic store to gravitational potential store of energy C gravitational potential store to kinetic store of energy D gravitational potential store to internal (thermal) store of energy air surface water 20 m diver

6 11 The diagram shows a 10 kW electric pump that is used to lift water into a small high tank. Water from the lake flows through the long inclined pipe and reaches a speed of 2.0 m/s when it enters the electric pump. With the aid of the electric pump, a small amount of water is lifted through a height of 15 m into the small high tank. Given that the efficiency of the electric pump is 10%, what is the mass of water lifted every one second? A 0.068 kg B 0.15 kg C 1.5 kg D 6.8 kg 12 Which operation involves the greatest power? A A crane lifting a weight of 3.0 kN at a speed of 2.0 m/s B A crane lifting a weight of 5.0 kN at a speed of 1.0 m/s C A car moving against a resistive force of 0.40 kN at a constant speed of 20 m/s D A load being pulled across a horizontal surface at a speed of 6.0 m/s against a frictional force of 1.5 kN lake electric pump small high tank 15 m long inclined pipe

7 13 A sealed boiling tube contains gas. The boiling tube is heated as shown. What happens? A The particles in the gas expand. B The particles in the gas evaporate. C The particles in the gas move faster. D The particles in the gas move slower. 14 The diagram below shows smoke particles suspended in air. The arrows indicate directions in which the particles are moving at a particular instant. Why do the smoke particles move? A Air particles are in constant random motion and so collide with the smoke particles. B Smoke particles are in constant random motion and so collide with the air particles. C Air particles were heated by the smoke particles and collide with the smoke particles. D Smoke particles receive energy from the air particles and bounce off the sides of the container. boiling tube gas stopper heat

8 15 Which statement describes what happens when water solidifies into ice? A There is a transfer of energy and a change in temperature. B There is a transfer of energy but no change in temperature. C There is no transfer of energy and no change in temperature. D There is no transfer of energy but there is a change of temperature. 16 A volatile liquid evaporates rapidly. Why does this cause the liquid to cool? A Energy is rapidly conducted away. B Energy is removed as some of the most energetic molecules leave the liquid. C Energy is dissipated due to the rapid movements of the liquid as a result of convection currents. D The volume of the liquid reduces rapidly and the molecules have less space to move around. 17 An ice cube, with an initial temperature of -5.0 oC has a mass of 7.50 g. The specific latent heat of fusion of ice is 334 J/g and the specific heat capacity of ice is 2.11 kJ/kgK. Energy from the surroundings is transferred to the ice cube at an average rate of 1.25 W. How long does it take for the ice cube to completely melt? A 630 s B 2000 s C 2070 s D 65 300 s 18 Ultrasound waves are used to produce images. The picture below shows an ultrasound image of a fetus surrounded by fluid. The ultrasound image is an example of waves that are ……………….. . A absorbed B repelled C refracted D reflected

9 19 The displacement against distance graph below shows a water wave travelling at 2.8 m/s. What is the