2013_NYJC_H2_Physics_P3_QP

© NYJC 2013 JC2/Prelim/H2/9646/03 [Turn over Candidate Name Class Tutor Name PHYSICS 9646/03 Paper 3 Longer Structured Questions 18 September 2013 2 hours Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name, class and tutor name on all the work you hand in. Write in dark blue or black pen on both sides of the paper. You may use a soft pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. Section A Answer all questions. Section B Answer any two questions. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or part question. This document consists of 29 printed pages Nanyang Junior College NANYANG JUNIOR COLLEGE Science Department JC 2 PRELIMINARY EXAMINATION Higher 2 For examiner’s use Section A 1 2 3 4 5 Section B 6 7 8 Total

NYJC JC2/Prelim/H2/9646/03 2 Data speed of light in free space, c = 3.00 × 108 m s–1 permeability of free space, μ0μo = 4π × 10–7 H m–1 permittivity of free space, ε0εo = 8.85 × × 10–-12 Fm–-1 (1 / (36π)) × / (36 π)) × 10–-9 Fm–-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 Formulae uniformly accelerated motion, s = ut + ½at2 v2 = u2 + 2as work done on/by a gas, W = pΔV hydrostatic pressure, p = ρghΡgh gravitational potential,  = –Gm / r = displacement of particle in s.h.m. x = x0 xo sin ωt velocity of particle in s.h.m. v = v0 vo cos ωt   22 oxx mean kinetic energy of a molecule of an ideal gas E = 3 2 kT resistors in series, R = R1 + + R2 + + … resistors in parallel, 1/R = 1/R1 + + 1/R2 + + … electric potential, V = Q / 4πε0r / 4πεor alternating current/voltage, x = x0 xo sin ωt transmission coefficient, T α exp(–(-2kd) where k = 12 0.693 t   2 2 8 m U E h   Formatted: Space After: 5 pt Formatted ... Formatted ... Formatted ... Formatted ... Formatted ... Formatted ... Formatted ... Formatted ... Formatted ... Formatted ... Formatted ... Formatted ... Formatted: Space After: 5 pt Formatted ... Formatted: Font: Italic Formatted ... Formatted ... Field Code Changed Formatted ... Formatted ... Formatted: Font: Italic Formatted ... Formatted: Font: Italic Formatted: Font: Italic

© NYJC 2013 JC2/Prelim/H2/9646/03 [Turn over radioactive decay, x = x0 xo exp (– (-λt) decay constant λ