2024 Serangoon SS Sci (Phy) P1_with ans

SERANGOON SECONDARY SCHOOL PRELIMINARY EXAMINATION SECONDARY 4 EXPRESS CANDIDATE NAME CLASS INDEX NUMBER SCIENCE (PHYSICS, CHEMISTRY) 5086/01 Paper 1 Multiple Choice 28 August 2024 1 hour Additional Materials: Multiple Choice Answer Sheet Setter(s): Mr Jarrod Lim, Mr Tan Yong Khai 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 Answer Sheet in the spaces provided unless this has been done for you. 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. A copy of the Data Sheet is printed on page 17. A copy of the Periodic Table is printed on page 18. The use of an approved scientific calculator is expected, where appropriate This document consists of 19 printed pages and 2 blank pages, including this cover page.

2 1 A length of copper wire is labelled: length 0.50 m and diameter 0.50 mm. Which instruments are most suitable to measure accurately the length and the diameter of the wire? length diameter A metre rule digital calipers B metre rule digital micrometer C digital calipers metre rule D digital calipers digital micrometer 2 The diagram shows a distance-time graph for a car travelling in a straight line. In which region is the car decelerating? distance / m time / s 0 0 A B C D

3 3 A measuring cylinder containing water is placed on a balance. A stone is placed into the water. The diagram shows the readings on the balance and on the measuring cylinder. What is the density of the stone? A 1.1 g/cm3 B 1.5 g/cm3 C 2.5 g/cm3 D 2.6 g/cm3 4 Newton’s third law describes a pair of forces. Which row shows whether the two forces are of the same type and whether they act on the same object? the type of forces in the pair the objects which they act A different different B different same C same different D same same stone 55.0 g 92.5 g

4 5 Each tyre of a car has an area of 250 cm2 in contact with the ground. The car has a mass of 1600 kg. The weight of the car is equally distributed amongst the four tyres. What is the pressure exerted on the ground? The gravitational field strength g is 10 N/kg. A 4.0 N/cm2 B 16 N/cm2 C 40 N/cm2 D 160 N/cm2 6 Some water is heated from room temp