2022 PL 4NA Science Physics_EOY_P1

PATHLIGHT SCHOOL END OF YEAR EXAMINATION SECONDARY 4 NORMAL (ACADEMIC) SCIENCE (PHYSICS) 5105/01 Paper 1 Multiple Choice 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, glue or correction fluid. Write your name, Centre number and index number on the Answer Sheet in the spaces provided unless this has been done for you. There are twenty 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. 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. This document consists of 8 printed pages. [Turn over

2 1 Which statement about scalar quantities and vector quantities is correct? A Scalars have direction only. B Scalars have magnitude only. C Vectors have direction only. D Vectors have magnitude only. 2 Vernier calipers are used to measure the inner diameter and outer diameter of a pipe. A cross section of the pipe and the two vernier caliper readings are shown. What is the thickness of the wall of the pipe? A 0.34 cm B 0.35 m C 0.67 cm D 0.70 cm 3 A high jumper jumps over a bar during practice. On a second occasion, he jumps higher. What remains constant on both occasions? A his acceleration in the air B his maximum gravitational potential energy C his maximum kinetic energy D his speed right after he lift off the ground outer diameter inner diameter wall thickness inner diameter reading outer diameter reading

3 [Turn over 4 A motorboat travels forward on water. All the horizontal forces that act on the motorboat are shown. The motorboat is slowing down. What is the value of the frictional force? A smaller than 2500 N B between 1500 N to 2500 N C 2500 N D larger than 2500 N 5 A body is moving at constant velocity. Why must a force be applied to change its motion? A The body has energy. B The body has inertia. C The body has weight. D The body is moving. 6 A container has