2024 EJC J2 H1 PRELIM QP P1

©EJC 2024 8867/J2H1PRELIM/2024 [Turn over EUNOIA JUNIOR COLLEGE JC2 PRELIM EXAMINATIONS 2024 General Certificate of Education Advanced Level Higher 1 CANDIDATE NAME CIVICS GROUP 2 3 - REGISTRATION NUMBER PHYSICS Multiple Choice 8867/01 September 2024 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write your name, civics group and registration number on all the work you hand in. The use of an approved scientific calculator is expected where appropriate. Answer all questions. There are thirty questions in this section. 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. 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. This document consists of 20 printed pages.

2 ©EJC 2024 8867/J2H1PRELIM/2024 Data Formulae uniformly accelerated motion             2 2 2 1 2 1 2 1 2 2 1 1 1 s at u as R / R / R u v / R t R R resistors in series resistors in parallel speed of light in free space                         8 1 19 27 31 e 27 p 23 1 A 11 2 2 2 3 00 1 60 9 11 1 10 m s 10 C 1 66 10 kg 10 kg 10 kg 6 02 10 mol 10 N m k 6 1 g m 7 s 7 6 6 9 8 c u . e . . . N G . g . m m . . elementary charge unified atomic mass constant rest mass of electron rest mass of proton the Avogadro constant gravitational constant acceleration of free fall

3 ©EJC 2024 8867/J2H1PRELIM/2024 [Turn over 1 When a beam of light is incident on a surface, it delivers energy to the surface. The intensity of the beam is defined as energy delivered per unit area per unit time. What is the unit of intensity, expressed in SI base units? A -2 -1kg m s B 2 -3kg m s C -2kg s D -3kg s 2 To find the resistivity of a semiconductor, a student makes the following measurements of a cylindrical rod of the material. Length = 25 1 mm Diameter =5.0 0.1 mm Resistance = 68 1   He calculates the resistivity to be 5.34  10-2  m. How should the uncertainty be included in his statement of the resistivity? A 2(5.3 0.1) 10 m   B 2(5.3 0.5) 10 m   C 2(5.34 0.07) 10 m   D 2(5.34 0.09) 10 m   3 What is the approximate volume of a typical inflated rubber party balloon? A 0.001 m3 B 0.01 m3 C 0.1 m3 D 1 m3 4 The acceleration of free fall on the Moon is one-sixth of that on Earth. On Earth it takes time t for a stone to fall from rest a distance of 2 m. What is the time taken for a stone to fall from rest the same distance on the Moon? A 1 6 t B 1 6 t C 6t D 6 t

4 ©EJC 2024 8867/J2H1PRELIM/2024 5 A projectile is fired at an angle above the horizontal with an initial speed u. Which one of the following graphs best represen