Physics Practical Paper 2012

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  • Topic: Physical constant, Avogadro constant, Boltzmann constant
  • Pages : 14 (2430 words )
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  • Published : March 13, 2013
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Centre Number

Candidate Number

Name

e tr .X m eP e ap .c rs om

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Level PHYSICS Paper 6 May/June 2004 45 minutes Candidates answer on the Question Paper. No Additional Materials are required.

9702/06

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 in the spaces provided on the Question 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. Answer all of the questions in any two options. The number of marks is given in brackets [ ] at the end of each question or part question. You may lose marks if you do not show your working or if you do not use appropriate units.

For Examiner’s Use If you have been given a label, look at the details. If any details are incorrect or missing, please fill in your correct details in the space given at the top of this page. Stick your personal label here, if provided.

A F M P T Total

This document consists of 22 printed pages and 2 blank pages. SPA (NF/GCR) S53718/7 © UCLES 2004

[Turn over

2 Data speed of light in free space, permeability of free space, permittivity of free space, elementary charge, the Planck constant, unified atomic mass constant, rest mass of electron, rest mass of proton, molar gas constant, the Avogadro constant, the Boltzmann constant, gravitational constant, acceleration of free fall, c = 3.00 × 10 8 m s –1 0 0

=4

× 10 –7 H m–1

= 8.85 × 10 –12 F m–1

e = 1.60 × 10 –19 C h = 6.63 × 10 –34 J s u = 1.66 × 10 –27 kg me = 9.11 × 10 –31 kg mp = 1.67 × 10 –27 kg R = 8.31 J K –1 mol –1 NA = 6.02 × 10 23 mol –1 k = 1.38 × 10 –23 J K –1 G = 6.67 × 10 –11 N m 2 kg –2 g = 9.81 m s –2

© UCLES 2004

9702/06/M/J/04

3 Formulae uniformly accelerated motion, s = ut + at 2 v 2 = u 2 + 2as W =p V

work done on/by a gas, gravitational potential, simple harmonic motion, velocity of particle in s.h.m.,

φ = – Gm
r a =–
2x

v = v0 cos t v = ± √(x 2 – x 2) 0 R = R1 + R 2 + . . . 1/R = 1/R1 + 1/R2 + . . . V = Q 4 0r

resistors in series, resistors in parallel, electric potential, capacitors in series, capacitors in parallel, energy of charged capacitor, alternating current/voltage, hydrostatic pressure, pressure of an ideal gas, radioactive decay, decay constant,

1/C = 1/C1 + 1/C2 + . . . C = C1 + C2 + . . . W = QV

x = x0 sin t
p = qgh p = Nm 2 V

x = x0 exp(– t )
= 0.693 t 3H02 8 G

critical density of matter in the Universe,

q0 =

equation of continuity, Bernoulli equation (simplified), Stokes’ law, Reynolds’ number, drag force in turbulent flow, © UCLES 2004

Av = constant
2 2 p1 + qv1 = p2 + qv2

F = Ar v Re =

qv r

F = Br 2qv 2
9702/06/M/J/04

[Turn over

4 Answer all of the questions in any two of the Options. Answer the questions in the spaces provided on the Question Paper.

For Examiner’s Use

The Options are as follows. Option A Option F Option M Option P Option T Astrophysics and Cosmology The Physics of Fluids Medical Physics Environmental Physics Telecommunications questions 1, 2, 3 and 4 questions 5, 6 and 7 questions 8, 9 and 10 questions 11, 12 and 13 questions 14, 15 and 16

Option A Astrophysics and Cosmology

1

(a) State Olbers’ paradox. .......................................................................................................................................... .......................................................................................................................................... .......................................................................................................................................... ..................................................................................................................................... [3] (b)...
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