Punggol 6091 Prelim P1 (for sharing)

EXP PUNGGOL SECONDARY SCHOOL SECONDARY 4 EXPRESS 2024 PRELIMINARY EXAMINATION QUESTION BOOKLET NAME CLASS INDEX NUMBER Physics Paper 1 6091/01 27 August 2024 1 hour READ THESE INSTRUCTIONS FIRST Write your class, register number and name on the Answer Sheet in the space provided. Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. 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. For Examiner’s use Parent’s Signature Paper 1 /40 This paper consists of 16 printed pages and 0 blank page.

2 1 Which quantity is a base quantity? A speed B density C potential difference D current 2 Which of the following takes the longest time to occur? A time taken for earth to complete one revolution around the sun B time taken for 22 mA of current to deliver 4.5 MC of charge C time taken for 62 GJ of energy to be transferred by a 39 nW device D time taken for an object to accelerate uniformly from rest to 4.0 km / s at a rate of 4.0 𝜇m / s2 3 The displacement-time graph shows how the displacement of a particle from a reference point varies with time. Which of the following gives the total distance travelled by the particle? A (3.0 + 3.0) m B [3.0 + (−3.0) ] m C [( 1 2 × 4.0 × 3.0 ) + ( 1 2 × 4.0 × 3.0)] m D {( 1 2 × 4.0 × 3.0) + [ 1 2 × 4.0 × (−3.0)]} m 4 Two objects, X and Y, have the same size and shape but X has a larger mass than Y. They are each dropped from a large altitude from rest in vacuum. The experiment is then repeated in air. Which of the following is true? in vacuum in air A X lands first X lands first B X lands first X and Y land together C X and Y land together X lands first D X and Y land together X and Y land together 3.0 −3.0 displacement / m time / s 4.0 8.0 0

3 5 A spacecraft was sent to the surface of the Moon. The gravitational field strength on the surface of the Moon is one-sixth that on the surface of the Earth. How does the mass and weight of the spacecraft on the Moon compare with the mass and weight on Earth? mass on moon weight on moon A same as on Earth same as on Earth B same as on Earth less than on Earth C less than on Earth same as on Earth D less than on Earth less than on Earth 6 A man pushes a heavy box with a weight of 50 N along a rough ground with a force of 30 N. The box moves at constant speed. What is the resultant force acting on the box? A 0 N B 30 N C 50 N D 80 N 7 In a game of softball, a player strikes a ball using a bat, exerting a force F on the ball. Which of the following, with F, forms an action-reaction pair? A the force of the ball on air B the force of the ball on the bat C the force of the air on the ball D the force of the Earth on the ball 30 N

4 8 A drone moves eastwards and arrives at a point due east of its starting point. The drone has a speed of V in still air. A wind is blowing from north to south causing the drone to move with a speed of W in the same direction. Which diagram correctly represents the resultant velocity, R, of the drone? A B C D 9 The diagram shows the shape of a solid object with its centre of gravity marked. Which of the following makes the object more stable? A Turn the object upside down. B Make the object using a material of lower density. C Make the object using a material of higher density. D Move the object to a region with a lower gravitational field strength. 10 A piece of metal is heated , and its mass and volume are measured to determine how its density changes with temperature. Which of the following graph shows the relationship between the density of the substance and temperature? A B C D V W R V R W V W R V W R centre of gravity bench density temperature density temperature density temperature density temperature

5 11 The diagram shows a mercury barometer used to measure atmospheric pressure. How does the atmospheric pressure and the height of the column of mercury in the barometer change when the barometer is brought from ground level to the top of a mountain? atmospheric pressure height of mercury A increases increases B increases remains the same C decreases decreases D decreases remains the same 12 A force of 400 N is applied on a crate of weight 500 N along a ramp as shown in the diagram. The crate moves a distance of 5.0 m at constant speed. Which of the following correctly shows the amount of work done by the force, and amount of energy transferred to the various stores? work done by force / J amount of energy transferred to kinetic store / J amount of energy transferred to internal store of surroundings / J A 1500 1500 0 B 1500 0 1500 C 2000 1500 500 D 2000 0 500 height of mercury column 5.0 m 400 N 500 N 3.0 m

6 13 The diagram below shows a double-walled glass. Which of the following best explains why this design allows a user to hold the cup more safely? A The transparent glass increases the rate of heat loss by convection. B The glass is a good conductor of heat and increases the rate of heat loss by conduction. C The hot liquid is not in contact with any surface so the rate of heat loss via conduction is reduced. D The space between the inner wall and outer wall traps air, which reduces the rate of heat transfer from the liquid to the outer wall. 14 The diagram shows the cross-sectional area of a shallow puddle of water on a road after rain. The surrounding temperature and the wind speed remain constant. Which of the following best explains how the rate of evaporation of the water from the puddle changes? rate of evaporation explanation A decreases depth of puddle decreases B decreases surface area decreases C increases volume of water decreases D remains constant temperature and wind speed does not change hot liquid outer wall inner wall puddle shallow hole road surface

7 15 The diagram shows a transverse wave travelling along a rope at the time t = 0 s. A point on the rope is labelled X. The period of the wave is 5.0 s. Taking upwards as positive, which graph shows the variation with time of the displacement of particle X between t = 0 s and t = 10.0 s? A B C D 16 A water wave travels from deep water to shallow water in a ripple tank as shown in the diagram. Waves in the deep water have a wavelength of 3.6 cm and a speed of 18 cm / s. The speed of the waves in shallow water is 15 cm / s. What is the wavelength of the waves in the shallow water? A 3.0 cm B 3.6 cm C 4.3 cm D 5.0 cm direction of wave travel X displacement displacement displacement displacement 10 t / s t / s t / s t / s 10 10 deep water shallow water 18 cm / s boundary 10

8 17 The diagram shows the waveform obtained when a sound was played. The sound was changed so that it is equally loud and of a lower pitch. Which diagram represents the waveform of the new sound? A B C D 18 A pulse of sound is transmitted vertically downward from the bottom of a stationery ship, and the tim