2022 JVS 4N Physics Prelim P1

This document consists of 9 printed pages [Turn over JURONGVILLE SECONDARY SCHOOL PRELIMINARY EXAMINATION 2022 Secondary 4 Normal (Academic) STUDENT NAME CLASS INDEX NUMBER SCIENCE (PHYSICS) 5105/01 Paper 1 Multiple Choice 19 AUGUST 2022 Papers 1 and 2: 1 hour 15 minutes Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue, correction tape or correction fluid. Write your name, index number and class on the Answer Sheet in the spaces provided. There are twenty questions on this paper. Answer ALL questions. For each question, there are four possible answers, A, B, C or D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Answers to Paper 1 and Paper 2 must be handed in separately. Each correct answer will score one mark. A mark will not deducted for a wrong answer. You are advised to spend no more than 30 minutes on Paper 1. You may proceed to answer Paper 2 as soon as you have completed Paper 1. Any rough working should be done in this booklet. The use of an approved scientific calculator is expected, where appropriate. Take acceleration due to gravity on Earth, g, to be 10 m / s2 unless stated otherwise. Setter: Raymond Tan For Examiner’s Use 20

2 1 A student measures the diameter of a wire using a micrometer screw gauge. What is the diameter of the wire? A 5.43 mm B 6.63 mm C 7.30 mm D 8.13 mm 2 The graph represents the movement of a truck. How far has the truck moved between 0 and 10 s? A 5 m B 50 m C 250 m D 500 m time / s 10 0 50 speed m / s

3 [Turn over 3 The diagram shows a block being pulled from rest on a rough surface. What is the effect of these forces? A The object moves to the left with constant speed. B The object moves to the left with constant acceleration. C The object moves to the right with constant speed. D The object moves to the right with constant acceleration. 4 The diagram shows three forces acting on a block of mass 2 kg. What is the resultant force acting on the block? A 5 N to the left B 5 N to the right C 10 N to the left D 10 N to the right 5 A spanner is taken to outer space in a rocket. Which row describes the correct change(s)? change in mass change in weight A no no B no yes C yes no D yes yes 3 N 2 N 15 N 10 N 2 N block block

4 6 A piece of cardboard of uniform density is suspended freely from a horizontal pin. Which point is its centre of gravity? 7 Which chair is the most stable when the child moves back and forth with the chair? 8 In a power station, fossil fuel is burned to boil water in a boiler. What energy change takes place when the fuel is burnt? A chemical energy → heat energy B chemical energy → kinetic energy C heat energy → chemical energy D heat energy → electrical energy B C D A A B C D

5 [Turn over 9 The diagram shows a woman lifting a box of weight 60 N from the low shelf to the high shelf. What is the work is done on the box by Mrs Lee? A 36 J B 72 J C 108 J D 144 J 10 The diagram below shows a glass block resting on a table top. The area of the block in contact with the table is X m2 and the area of the table top is Y m2. The weight of the block is P N. Which expression gives the pressure exerted on the table by the block in N/m2? A B C D 11 A substance consists of particles that are close together and sliding over each other at random. The average speed of the particles is gradually increasing. Which statement best describes the substance? A a solid being heated B a solid being melted to form a liquid C a liquid being heated D a liquid being boiled to form a gas 60 N ground area of the block in contact with the table top is X m2 area of the table top is Y m2

6 12 Which row describes the shape and volume of a liquid? shape volume A fixed fixed B fixed not fixed C not fixed fixed D not fixed not fixed 13 The melting and boiling points of substance Y is as follow: melting point / °C boiling point / °C -30 -10 Which diagram represents the change in arrangement of the particles in substance Y as it is heated from -23 °C to -5 °C ?

7 [Turn over 14 The diagram shows a convection current produced when water in an upright container is heated. Where is the container heated to produce the convection current? 15 The diagram shows a sound speaker placed at one side of a water tank. It is used to project music in the water. Which diagram shows the correct motion of the water particles in the water when the music is playing in the water.? A B C D sound speaker water

8 16 Which row shows the correct order of the speed of sound in the different media? slowest ➔ fastest A air iron water B air water iron C iron air water D iron water air 17 What is the unit of the electromotive force of a battery? A ampere B coulomb C newton D volt 18 The diagram shows charges of 20 C flowing through a point A in a wire in 2.0 s. What is the current passing through the wire? A 1.0 A B 10 A C 20 A D 40 A 19 Each of the four wires is made of the same material. Which wire has the largest resistance? A B C D A wire flow of charges

9 [Turn over 20 The current flowing through an appliance iss 4.5 A. Which fuse is suitable to use in the appliance? A a fuse with a rating of 4 A B a fuse with a rating of 6 A C a fuse with a rating of 8 A D a fuse with a rating of 10 A End of Paper