Xinmin 4N Physics Prelim 2022 P1 and P2 with ANS

This document consists of 9 printed pages. XINMIN SECONDARY SCHOOL SEKOLAH MENENGAH XINMIN Preliminary Examination 2022 CANDIDATE NAME CLASS INDEX NUMBER SCIENCE (PHYSICS) Paper 1 Multiple Choice Secondary 4 Normal (Academic) Setter: Ms Kris Chua Vetter: Mr Zhuang Haoyang 5105/01 01 August 2022 Paper 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, glue or correction fluid. Write your name, class and index number on the Question Paper and Answer Sheet in the spaces provided. There are twenty 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. Answers to Paper 1 and Paper 2 must be handed in separately. Each correct answer will score one mark. A mark will not be 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. For Examiner’s Use Total 20 Parent’s Signature [Turn over

2 5105/Science (Physics, Chemistry)/Paper 1/2022 Preliminary Exam 1 A student lets 100 drops of water fall into a measuring cylinder which already contains some water. What is the average volume of one drop? A 0.05 cm3 B 0.25 cm3 C 5.0 cm3 D 25 cm3 2 Acceleration is defined as the rate of change of A speed B displacement C velocity D force 3 An apple of mass 0.15 kg is dropped from a height. It falls with a constant speed of 10 m/s when it is 2.0 m above the ground. What is the resultant force acting on the apple when it is 2.0 m above the ground? A 0 N B 0.50 N C 5.0 N D 50 N 4 The density of iron is 7.9 g/cm3. A hole of volume 1.0 cm 3 is drilled into a n iron bar. Determine the density of the iron bar. A 7.8 g/cm3 B 7.9 g/cm3 C 8.0 g/cm3 D 8.1 g/cm3 new level of water original level of water

3 5105/Science (Physics, Chemistry)/Paper 1/2022 Preliminary Exam 5 A picture frame, with centre of gravity at X, hangs from two strings as shown in the diagram below. Which one of the following diagrams shows how the pictu re frame hangs when one of the strings breaks? X X A X B X C X D [Turn over

4 5105/Science (Physics, Chemistry)/Paper 1/2022 Preliminary Exam 6 Two boys X and Y each have the same total weight and are standing on snow. Which boy is more likely to sink into the snow and why? boy pressure on snow A X larger than Y B X smaller than Y C Y larger than X D Y smaller than X 7 The power output of a lamp is 6 W. How much energy does the lamp give out in 2 minutes? A 3 J B 12 J C 120 J D 720 J 8 Which row describes the properties of liquids at constant temperature? forces between molecules movement of molecules A strong move throughout the liquid B strong vibrate at fixed positions C weak move throughout the liquid D weak vibrate at fixed positions X Y

5 5105/Science (Physics, Chemistry)/Paper 1/2022 Preliminary Exam 9 The four teapots shown are similar and each contains an equal amount of hot tea initially at 90C. Which teapot keeps the tea hot longest? A B C D no lid no lid lid lid black teapot white teapot black teapot white teapot 10 The diagram shows how the arrangement of the atoms in a substance changes during a change of state. Which change of state is shown? A gas to liquid B liquid to gas C liquid to solid D solid to liquid 11 The diagram shows a ball floating on a tank of water. Which diagram shows the movement of the ball when the wave passes? direction of wave ball A B C D [Turn over

6 5105/Science (Physics, Chemistry)/Paper 1/2022 Preliminary Exam 12 What is meant by the term wavefront? A the distance between successive peaks of a wave B the distance between the trough and the peak of a wave C a line joining points along the peak of a wave D a line joining the trough and the peak of a wave 13 A student copies a diagram of the electromagnetic spectrum but makes a mistake. radio waves micro- waves infra-red waves visible light X-rays ultra- violet waves gamma rays long wavelength short wavelength Which two terms should be interchanged so that the order is correct? A infra-red waves and radios waves B infra-red waves and ultra-violet waves C radio waves and visible light D ultra-violet waves and X-rays 14 A boy on an island is 500 m from some cliffs. He shouts and he hears an echo from the cliffs. Sound travels at 340 m/s through the air. What is the time interval between when the boy shouts and when he hears the echo? A s B s C s D s

7 5105/Science (Physics, Chemistry)/Paper 1/2022 Preliminary Exam 15 The figure below shows the displacement-time graphs for two different sounds X and Y. Which of the following statements about the two sounds is correct? A Sound Y is louder than sound X. B Sound X has the same pitch as sound Y. C Sound Y has a lower pitch than sound X. D Sound X has a lower pitch than sound Y. 16 An electric circuit contains a resistor in series with a battery. Which row shows the direction of the conventional current and the direction of the electron flow? conventional current electron flow A X to Y X to Y B X to Y Y to X C Y to X X to Y D Y to X Y to X displacement time displacement time X Y [Turn over

8 5105/Science (Physics, Chemistry)/Paper 1/2022 Preliminary Exam 17 A student uses a voltmeter to do some measurements in an electric circuit. Which quantity does the voltmeter measure? A potential difference B current C resistance D temperature 18 The resistance of a wire is increased if A its length is increased. B its length is decreased. C its cross-sectional area is increased. D a large current passes through it. 19 A circuit consists of a battery, two resistors in parallel and an ammeter What is the electromotive force (e.m.f.) of the battery? A 6.0 V B 9.0 V C 18.0 V D 27.0 V

9 5105/Science (Physics, Chemistry)/Paper 1/2022 Preliminary Exam 20 The diagrams show a fuse, a lamp and a heater In which diagram is the fuse placed correctly? End of paper

This document consists of 8 printed pages. XINMIN SECONDARY SCHOOL SEKOLAH MENENGAH XINMIN Preliminary Examination 2022 CANDIDATE NAME CLASS INDEX NUMBER SCIENCE (PHYSICS) Paper 2 Secondary 4 Normal (Academic) Setter: Ms Kris Chua Vetter: Mr Zhuang Haoyang 5105/02 01 August 2022 Paper 1 and 2: 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name, class and index number on all the work you hand in. Write in dark blue or black pen on both sides of the paper. You may use an HB pencil for any diagrams or graphs. Do not use staples, paper clips, glue or correction fluid. Answer all questions in Section A and any two questions in Section B. The use of an approved scientific calculator is expected