EJC 2019 J1H2 Promo P1 (Printed)

©EJC 2019 9749/01/J1H2PROMO/2019 [Turn over EUNOIA JUNIOR COLLEGE JC1 Promotional Examination 2019 General Certificate of Education Advanced Level Higher 2 PHYSICS Paper 1 Multiple Choice 9749/01 04 October 2019 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 16 printed pages.

2 ©EJC 2019 9749/01/J1H2PROMO/2019 Data speed of light in free space, c = 3.00 × 108 m s–1 permeability of free space, μo = 4π × 10–7 H m–1 permittivity of free space, εo = 8.85 × 10–12 F m–1 (1/(36 π)) × 10–9 F m–1 elementary charge, e = 1.60 × 10–19 C the Planck constant, h = 6.63 × 10–34 J s 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 molar gas constant, R = 8.31 J K–1 mol–1 the Avogadro constant, NA = 6.02 × 1023 mol–1 the Boltzmann constant, k = 1.38 × 10–23 J K–1 gravitational constant, G = 6.67 × 10–11 N m2 kg–2 acceleration of free fall, g = 9.81 m s–2

3 ©EJC 2019 9749/01/J1H2PROMO/2019 [Turn over Formulae uniformly accelerated motion, s = ut + ½at2 v2 = u2 + 2as work done on/by a gas, W = pΔV hydrostatic pressure, p = ρgh gravitational potential, φ = Gm r− temperature, T/K = T / oC + 273.15 pressure of an ideal gas, p = 21 3 Nm cV mean translational kinetic energy of an ideal gas molecule E = 3 2 kT displacement of particle in s.h.m. x = xo sin ωt velocity of particle in s.h.m. v = vo cos ωt = ( )22 xxo −± ω electric current, I = Anvq resistors in series, R = R1 + R2 + … resistors in parallel, 1/R = 1/R1 + 1/R2 + … electric potential, V = 4 o Q rπε alternating current/voltage, x = xo sin ωt magnetic flux density due to a long straight wire B = 2 o d µ π I magnetic flux density due to a flat circular coil B = 2 oN r µ I magnetic flux density due to a long solenoid B = onµ I radioactive decay, x = xo exp (–λt) decay constant λ = 1 2 ln2 t

4 ©EJC 2019 9749/01/J1H2PROMO/2019 1 The radius of the Earth is approximately 6.4 × 10 6 m, and the radius of the Moon is approximately 1.7 × 10 6 m. A student wishes to build a scale model of the Solar system in the classroom, using a football of radius 0.12 m to represent the Earth. What object would