This document consists of 23 printed pages and 1 blank page. DC (NF/SW) 29944/5 © UCLES 2011 [Turn over UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Level * 0 2 0 1 9 1 0 5 9 2 * PHYSICS 9702/42 Paper 4 A2 Structured Questions May/June 2011 2 hours Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Answer all questions. You may lose marks if you do not show your working or if you do not use appropriate units. 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. For Examiner’s Use 1 2 3 4 5 6 7 8 9 10 11 12 Total www.XtremePapers.com
2 © UCLES 2011 9702/42/M/J/11 Data speed of light in free space, c = 3.00 × 108 ms–1 permeability of free space, µ0 = 4p × 10–7 Hm–1 permittivity of free space, e0 = 8.85 × 10–12 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 JK–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 ms–2
3 © UCLES 2011 9702/42/M/J/11 [Turn over Formulae uniformly accelerated motion, s = ut + at 2 v2 = u2 + 2as work done on/by a gas, W = pV gravitational potential, f = – Gmr hydrostatic pressure, p = ?gh pressure of an ideal gas, p = Nm V simple harmonic motion, a = – ? 2x velocity of particle in s.h.m., v = v0 cos ?t v = ± ?…