PHYSICS Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended)

9702/11

May/June 2010 1 hour

*0280134660*

READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided unless this has been done for you. There are forty 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 working should be done in this booklet.

This document consists of 24 printed pages.

IB10 06_9702_11/5RP © UCLES 2010

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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 × 108 m s–1 µ0 = 4π × 10–7 H m–1 ε0 = 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 × 1023 mol–1 k = 1.38 × 10–23 J K–1 G = 6.67 × 10–11 N m2 kg–2 g = 9.81 m s–2

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3 Formulae uniformly accelerated motion, s = ut +

1 at 2 2

v2 = u2 + 2as work done on/by a gas, gravitational potential, hydrostatic pressure, pressure of an ideal gas, simple harmonic motion, velocity of particle in s.h.m., W = p∆V φ = – Gm r p = ρgh p= 1 3

Nm V

a = – ω 2x v = v0 cos ωt v = ±ω

x 02 − x 2

electric potential, capacitors in series, capacitors in parallel, energy of charged capacitor, resistors in series, resistors in parallel, alternating current/voltage, radioactive decay, decay constant,

V=

Q 4 πε 0r

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

1 QV 2

R = R1 + R2 + . . . 1 / R = 1 / R1 + 1 / R2 + . . . x = x0 sin ωt x = x0 exp(–λt) λ = 0.693 t1 2

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4 1 The SI unit for potential difference (the volt) is given, in base units, by A B C D 2 kg m A–1 s–3. m2 A–1 s–2. kg m2 s–2. kg m2 A–1 s–3.

The product of pressure and volume has the same SI base units as A B C D energy. force.

force . area

force . length

3

An ion is accelerated by a series of electrodes in a vacuum. A graph of the power supplied to the ion is plotted against time. What is represented by the area under the graph between two times? A B C D the change in kinetic energy of the ion the average force on the ion the change in momentum of the ion the change in velocity of the ion

Space for working

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5 4 The diagram shows a square-wave trace on the screen of a cathode-ray oscilloscope. A grid of 1 cm squares covers the screen. The time-base setting is 10 ms cm–1.

1 cm 1 cm

What is the approximate frequency of the square wave? A 70 Hz B 140 Hz C 280 Hz D 1400 Hz

Space for working

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6 5 A vector quantity V is resolved into two perpendicular components X and Y. The angle between V and component X is θ. V

Y X

θ

The angle between component X and the vector V is increased from 0° to 90°. How do the magnitudes of X and Y change as the angle θ is increased in this way? X A B C D increase increase decrease decrease Y increase...

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