2022 JSS Phy Prelims P1

O JURONG SECONDARY SCHOOL 2022 GRADUATION EXAMINATION 2 SECONDARY 4 EXPRESS CANDIDATE NAME CLASS INDEX NUMBER PHYSICS 6091/01 Paper 1 Multiple Choice 31 August 2022 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Do not open this booklet until you are told to do so. Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, class and index number on the answer sheet in the spaces provided. There are forty questions in this paper. Answer all the 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. For Examiner’s Use PAPER 1 [40 marks] This document consists of 19 printed pages including this page.

2 6091/1/GE2/22 [Turn over] 1 A micrometer screw gauge is used to measure the thickness of a metal sheet. Diagram 1 shows the reading on the micrometer screw gauge when it is tightened with nothing between the jaws. Diagram 2 shows the reading taken with the metal sheet between the jaws. What is the thickness of the metal sheet? A 3.65 mm B 3.71 mm C 7.15 mm D 7.21 mm 2 An electromagnetic wave has a wavelength of 0.000 000 238 m. Which of the following is equivalent to the length of the wavelength? A 2.38 x 10-13 Mm B 2.38 x 10-5 mm C 2.38 x 103 nm D 2.38 m 3 A cyclist riding at a velocity of 5 m/s braked with uniform deceleration and stopped in 3 m. How long did she take to stop? A 0.6 s B 1.2 s C 1.3 s D 3.0 s

3 6091/1/GE2/22 [Turn over] 4 A coin and a feather are dropped from rest at the same time in a vacuum. The coin is released at a higher height than the feather. Before they reach the ground, which of the following statements is incorrect? A They have the same acceleration. B They have the same velocity at any instant. C They meet each other at some point in time. D They travel the same distance in the same amount of time. 5 The diagram shows a right-angled isosceles pathway, PQR. A man takes 10 s to walk from P to Q and 15 s to walk from Q to R. What is the average velocity of the man? A 0.28 m/s B 0.33 m/s C 0.40 m/s D 0.50 m/s 6 Two masses are joined by a light inextensible string and pulled by force F along a frictionless surface as shown in the figure below. What is the magnitude of the tensional force between the two masses? A 1 3 F B 2 3 F C F D 4 3 F m 2m F

4 6091/1/GE2/22 [Turn over] 7 Inertia is a measure of the A ability for objects to move. B ability for objects to stop. C reluctance for moving objects to stop. D reluctance for objects at rest to remain at rest. 8 Solid A of mass 12 g displaces the same vol