2023 RI Prelim P1 QP

© Raffles Institution RAFFLES INSTITUTION 2023 Preliminary Examination PHYSICS Higher 1 Paper 1 Multiple Choice 8867/01 September 2023 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 index number on the Answer Sheet in the spaces provided. Shade your index number on the Answer Sheet. There are thirty 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 13 printed pages.

2 © Raffles Institution Data speed of light in free space c  3.00 × 108 m s1  elementary charge e  1.60 × 1019 C  unified atomic mass constant u  1.66 × 1027 kg  rest mass of electron me  9.11 × 1031 kg  rest mass of proton mp  1.67 × 1027 kg  the Avogadro constant NA  6.02 × 1023 mol1  gravitational constant G  6.67 × 1011 N m2 kg2  acceleration of free fall g  9.81 m s2 Formulae uniformly accelerated motion s  21 2ut at 2v  2 2u as  resistors in series R  R1 + R2 + ….  resistors in parallel 1/R  1/R1 + 1/R2 + ….

3 © Raffles Institution [Turn over 1 What are the SI base units of the volt? A kg m2 s2 A B kg m2 s1 A C kg m2 s1 A1 D kg m2 s3 A1 2 What is the order of magnitude of the weight of an apple? A 104 N B 102 N C 1 N D 102 N 3 A vector F can be resolved into two perpendicular components F1 and F2. The angle between F and F2 is . How do the magnitudes of F1 and F2 change as  is increased from 0 to 90? F1 F2 A increase increase B increase decrease C decrease increase D decrease decrease 4 Two cars, initially next to each other and at rest, accelerate in the same direction constant accelerations. After 4.0 s, they are 16 m apart. If the two cars continue with the same accelerations, how far apart will they be 8.0 s after they started? A 32 m B 48 m C 64 m D 140 m  F F1 F2

4 © Raffles Institution 5 A stone falling vertically strikes some soft ground at speed u and slows down with a constant deceleration until it stops. Which graph best represents the variation with the downward displacement s from the surface of the ground of the stone’s speed v? A B