2024 CCHM Physics 6091 P1 (QP)

[Turn over Name: Class: Class Register Number: PRELIMINARY EXAMINATION 2024 SECONDARY 4 PHYSICS 6091/01 Paper 1 Multiple Choice 10 September 2024 1 hour 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 register number clearly in the spaces provided at the top of this page. 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. This document consists of 17 printed pages and 1 blank page.

2 2024 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 1 In order to determine the period of a pendulum, a student times one complete swing of the pendulum using an analogue stop-watch with a second hand. Which change of method produces the greatest improvement in accuracy? A asking a friend with a shorter reaction time to take the measurement B measuring the time for 25 swings of the pendulum and dividing it by 25 C measuring the time for a half swing of the pendulum and doubling it D using a digital timer 2 A student uses a metre ruler to measure the length of six identical table-tennis balls placed between two wooden blocks. What is the diameter of one ball? A 4.0 cm B 5.0 cm C 6.0 cm D 8.0 cm 3 The diagram shows a series of images of a moving object taken at regular intervals. The object is moving from left to right. Which statement describes the motion of the object? A The object accelerates continuously. B The object decelerates continuously. C The object travels at constant speed and then accelerates. D The object travels at constant speed and then decelerates.

3 [Turn over 2024 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 4 A train is on a straight track. The graph shows how a quantity y varies with time. Which statements can be true? 1 The train is stationary and y represents the distance from the last station. 2 The train is moving and y represents the distance from the last station. 3 The train is stationary and y represents the speed of the train. 4 The train is moving and y represents the speed of the train. A 1 and 2 B 2 and 3 C 3 and 4 D 4 and 1 5 A wooden block is pushed across a table at constant speed. Which statement about the frictional force is correct? A The frictional force increases as the block moves at constant speed. B The frictional force is equal to the pushi