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