EJC Physics 2020 J2 H1 JCT P1 QP

©EJC 2020 8867/01/J2H1MCT/2020 EUNOIA JUNIOR COLLEGE JC2 June Common Test 2020 General Certificate of Education Advanced Level Higher 1 PHYSICS Paper 1 Multiple Choice 8867/01 June/July 2020 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use paper clips, glue or correction fluid. Write your name, civics group and registration number on the Answer Sheet in the spaces provided. 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 14 printed pages and 0 blank page.

2 ©EJC 2020 8867/01/J2H1MYE/2020 Data Formulae uniformly accelerated motion, s = ut + ½at2 v2 = u2 + 2as resistors in series, R = R1 + R2 + … resistors in parallel, 1/R = 1/R1 + 1/R2 + … speed of light in free space, c = 3.00 × 10 8 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

3 ©EJC 2020 8867/01/J2H1MCT/2020 [Turn over 1 An athlete of mass 80 kg completes in a 100 m race. What is the best estimate of his mean kinetic energy during the race? A 4 x 102 J B 4 x 103 J C 4 x 104 J D 4 x 105 J 2 In the following equation, P is pressure, h is height, x is density and g is acceleration: 21 constant2 xy xhg P+ += What is the base unit of y? A m s-1 B m2 s-2 C N kg-1 m D N1/2 kg-1/2 m1/2 3 A student measured the diameter of a ping pong ball as 3.40 cm using a pair of vernier calipers. The uncertainty in the measurement is 0.01 cm. How should the total volume of the ping pong ball be expressed? A (20.579 ± 0.009) cm3 B (20.58 ± 0.03) cm3 C (20.6 ± 0.1) cm3 D (20.6 ± 0.2) cm3 4 A force F is exerted on a freely moving object. At one instant in time, the object has velocity v and acceleration a. Which of the three quantities must be directed in the same direction? A a and v only B a and F only C v and F only D a, v and F

4 ©EJC 2020 8867/01/J2H1MYE/2020 5 The graph shows how a certain quantity p varies with another quantity q for a parachutist falling at terminal speed. What are the quantities p and q, and what is repr