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IB16 11_9702_11/4RP
© UCLES 2016 [Turn over
*5340221462*
Cambridge International Examinations
Cambridge International Advanced Subsidiary and Advanced Level
PHYSICS 9702/11
Paper 1 Multiple Choice October/November 2016
1 hour 15 minutes
Additional Materials: Multiple Choice Answer Sheet
Soft clean eraser
Soft pencil (type B or HB is recommended)
READ THESE INSTRUCTIONS FIRST
Write in soft pencil.
Do not use staples, paper clips, 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.
DO NOT WRITE IN ANY BARCODES.
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.
Electronic calculators may be used.
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© UCLES 2016 9702/11/O/N/16
Data
speed of light in free space c = 3.00 × 108 m s–1
permeability of free space µ0 = 4π × 10–7 H m–1
permittivity of free space ε0 = 8.85 × 10–12 F m–1
(
04
1
επ = 8.99 × 10
9
m F–1)
elementary charge e = 1.60 × 10–19 C
the Planck constant h = 6.63 × 10–34 J s
unified atomic mass unit 1 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
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© UCLES 2016 9702/11/O/N/16 [Turn over
Formulae
uniformly accelerated motion s = ut + 22
1 at
v 2 = u 2 + 2as
work done on/by a gas W = p∆V
gravitational potential φ = – rGm
hydrostatic pressure p = ρ gh
pressure of an ideal gas p = V
Nm
3
1
simple harmonic motion a = – ω 2x
velocity of particle in s.h.m. v = v0 cos ωt
v = ± ω )( 220 xx −
Doppler effect of =
s
s
vv
vf
±
electric potential V = r
Q
04 επ
capacitors in series 1 / C = 1 / C1 + 1 / C2 + . . .
capacitors in parallel C = C1 + C2 + . . .
energy of charged capacitor W = QV2
1
electric current I = Anvq
resistors in series R = R1 + R2 + . . .
resistors in parallel 1 / R = 1 / R1 + 1 / R2 + . . .
Hall voltage VH = ntq
BI
alternating current/voltage x = x0 sin ωt
radioactive decay x = x0 exp(–λt)
decay constant λ =
2
1
0.693
t
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© UCLES 2016 9702/11/O/N/16
1 What is the order of magnitude of the Young modulus for a metal such as copper?
A 10–11 Pa B 10–4 Pa C 104 Pa D 1011 Pa
2 The force F between two point charges q1 and q2, a distance r apart, is given by the equation
F =
2
21
r
qkq
where k is a constant.
What are the SI base units of k ?
A kg m3 s–4 A2 B kg m3 s–4 A–2 C kg m3 A2 D kg m3 A–2
3 An aeroplane can fly at a velocity X when moving through still air. When flying in wind the
aeroplane’s velocity relative to the ground is Y.
Which vector diagram shows the magnitude and direction of the wind velocity W ?
X X
XY
Y
Y
W
W
W
X
Y
W
A B C D
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4 A voltmeter gives readings that are larger than the true values and has a systematic error that
varies with voltage.
Which graph shows the calibration curve for the voltmeter?
4
3
2
1
0
0 1 2
A
3 4
meter reading / V
true
value / V
4
3
2
1
0
0 1 2
B
3 4
meter reading / V
true
value / V
4
3
2
1
0
0 1 2
C
3 4
meter reading / V
true
value / V
4
3
2
1
0
0 1 2
D
3 4
meter reading / V
true
value / V
5 A student uses a cathode-ray oscilloscope (c.r.o.) to measure the period of a signal. She sets the
time-base of the c.r.o. to 5 ms cm–1 and observes the trace illustrated below. The trace has a
length of 10.0 cm.
10.0 cm
What is the period of the signal?
A 7.1 × 10–6 s B 1.4 × 10–5 s C 7.1 × 10–3 s D 1.4 × 10–2 s
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© UCLES 2016 9702/11/O/N/16
6 A cyclist pedals along a raised horizontal track. At the end of the track, he travels horizontally into
the air and onto a track that is vertically 2.0 m lower.
higher horizontal track
lower horizontal track
6.0 m
2.0 m
v
The cyclist travels a horizontal distance of 6.0 m in the air. Air resistance is negligible.
What is the horizontal velocity v of the cyclist at the end of the higher track?
A 6.3 m s–1 B 9.4 m s–1 C 9.9 m s–1 D 15 m s–1
7 An astronaut on the Moon, where there is no air resistance, throws a ball. The ball’s initial velocity
has a vertical component of 8.00 m s–1 and a horizontal component of 4.00 m s–1, as shown.
8.00 m s–1
initial velocity
4.00 m s–1
path of ball
The acceleration of free fall on the Moon is 1.62 m s–2.
What will be the speed of the ball 9.00 s after being thrown?
A 6.6 m s–1 B 7.7 m s–1 C 10.6 m s–1 D 14.6 m s–1
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8 A car is travelling at constant velocity. At time t = 0, the driver of the car sees an obstacle in the
road and then brakes to a halt. The graph shows the variation with t of the velocity of the car.
20
0
0 0.8 5.0 t / s
velocity / m s–1
How far does the car travel in the 5.0 s after the driver sees the obstacle?
A 16 m B 42 m C 58 m D 84 m
9 A car is stationary at traffic lights. When the traffic lights change to green, the driver presses
down sharply on the accelerator. The resultant horizontal force acting on the car varies with time
as shown.
force
time0
0
Which graph shows the variation with time of the speed of the car?
DC
B
0
0
speed
time
0
0
speed
time 0
0
speed
time
0
0
speed
time
A
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© UCLES 2016 9702/11/O/N/16
10 A beach-ball falls vertically from a high hotel window. Air resistance is not negligible.
Which graph shows the variation with time t of the acceleration a of the ball?
0
0
A
a
t
a
t
a
t
a
t
0
0
B
0
0
C
0
0
D
11 A car has mass m. A person needs to push the car with force F in order to give the car
acceleration a. The person needs to push the car with force 2F in order to give the car
acceleration 3a.
Which expression gives the constant resistive force opposing the motion of the car?
A ma B 2ma C 3ma D 4ma
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12 A box is shown resting on the ground. Newton’s third law implies that four forces of equal
magnitude are involved. These forces are labelled P, Q, R and S.
Forces P and Q act on the box. Forces R and S act on the Earth.
For clarity, the forces are shown slightly separated.
box
ground
P
Q
R
S
Which statement about the forces is correct?
A P is the equal and opposite force to Q and both are forces of contact.
B Q is the equal and opposite force to P and both are gravitational forces.
C R is the equal and opposite force to S and both are forces of contact.
D S is the equal and opposite force to Q and both are gravitational forces.
13 Two spheres travel along the same line with velocities u1 and u2. They collide and after collision
their velocities are v1 and v2.
before collision u1
after collision v1
before collision u2
after collision v2
Which collision is not elastic?
u1 / m s–1 u2 / m s–1 v1 / m s–1 v2 / m s–1
A 2 –5 –5 –2
B 3 –3 0 6
C 3 –2 1 6
D 5 2 3 6
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14 A submarine has circular windows of diameter 0.30 m. The windows can experience a maximum
external pressure of 660 kPa before they crack.
What is the minimum external force needed to crack the windows?
A 47 000 N B 190 000 N C 310 000 N D 620 000 N
15 Four beams of the same length each have three forces acting on them.
Which beam has both zero resultant force and zero resultant torque acting?
30 N 50 N
90 N
A
50 cm 30 cm
36 N 70 N
106 N
B
50 cm 30 cm
28 N 35 N
63 N
C
50 cm 30 cm
42 N 70 N
112 N
D
50 cm 30 cm
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16 An air-conditioning unit is supported by a rigid beam PQ, as shown.
beam
P
Q
wall
air-conditioning
unit
Which diagram shows the directions of the horizontal and vertical forces acting on the ends of the
beam?
A B C D
17 A hydroelectric power station uses the gravitational potential energy of water to generate
electrical energy.
In one particular power station, the mass of water flowing per unit time is 1.5 × 105 kg s–1. The
water falls through a height of 120 m.
The electrical power generated is 100 MW.
What is the efficiency of the power station?
A 5.6% B 43% C 57% D 68%
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© UCLES 2016 9702/11/O/N/16
18 An engine transforms thermal energy into mechanical work. The engine takes in thermal energy
Qin from a heat source and gives out thermal energy Qout to a heat sink, producing useful work W.
heat source
engine
heat sink
Qin
W
Qout
What is the efficiency of this engine?
A
outin QQ
W
+
B
outin QQ
W
− C inQ
W D
outQ
W
19 A truck of mass 500 kg moves from rest at the top of a section of track 400 m long and 30 m high,
as shown. The frictional force acting on the truck is 250 N throughout its journey.
30 m
400 m
What is the final speed of the truck?
A 14 m s–1 B 24 m s–1 C 31 m s–1 D 190 m s–1
20 Which condition must apply for the work done by an expanding gas to be p∆V, where p is the
pressure of the gas and ∆V is its change in volume?
A No thermal energy must be supplied to the gas.
B The expansion must be at a constant rate.
C The pressure must be constant.
D The temperature of the gas must be constant.
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21 A metal wire is stretched to breaking point and the force-extension graph is plotted.
Which graph is correctly labelled with the elastic region, the plastic region and the area
representing the work done to stretch the wire until it breaks?
0
0
extension / m
force / N
elastic
region
plastic
region
work done
A
0
0
extension / m
force / N
plastic
region
elastic
region
B
0
0
extension / m
force / N
elastic
region
plastic
region
work done
C
0
0
extension / m
force / N
elastic
region
plastic
region
D
work done
work done
22 A copper wire hangs vertically from a fixed point. A load is attached to the lower end of the wire
producing an extension x. The wire obeys Hooke’s law.
Which single change gives an extension 2x?
A Halve the cross-sectional area of the wire.
B Halve the diameter of the wire.
C Halve the length of the wire.
D Halve the load on the wire.
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© UCLES 2016 9702/11/O/N/16
23 The table shows the wavelengths of five electromagnetic waves.
Which row correctly identifies the principal radiation for each of these wavelengths?
10–14 m 10–10 m 10–6 m 10–2 m 102 m
A gamma ray X-ray infra-red microwave radio wave
B radio wave microwave infra-red X-ray gamma ray
C radio wave microwave ultraviolet infra-red X-ray
D X-ray infra-red ultraviolet microwave radio wave
24 The diagram shows an experiment to produce a stationary wave in an air column. A tuning fork,
placed above the column, vibrates and produces a sound wave. The length of the air column can
be varied by altering the volume of the water in the tube.
water
air column
tap
tuning fork
The tube is filled and then water is allowed to run out of it. The first two stationary waves occur
when the air column lengths are 0.14 m and 0.42 m.
What is the wavelength of the sound wave?
A 0.14 m B 0.28 m C 0.42 m D 0.56 m
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25 The graph shows the variation with time of the displacement X of a gas molecule as a continuous
sound wave passes through a gas.
X
0
0
125 250 375 500 625 750 875 1000
time / µs
The velocity of sound in the gas is 330 m s–1. All the graphs below have the same zero time as the
graph above.
What is the displacement-time graph for a molecule that is a distance of 0.165 m further away
from the source of the sound?
X
0 125 250 375 500
A
625 750 875 1000
time / µs
X
0 125 250 375 500
B
625 750 875 1000
time / µs
X
0 125 250 375 500
C
625 750 875 1000
time / µs
X
0 125 250 375 500
D
625 750 875 1000
time / µs
00
00
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© UCLES 2016 9702/11/O/N/16
26 The warning signal on an ambulance has a frequency of 600 Hz. The speed of sound is 330 m s–1.
The ambulance is travelling with a constant velocity of 25 m s–1 towards an observer.
initial position
of ambulance
final position
of ambulance
observer
Which overall change in observed frequency takes place between the times at which the
ambulance is a long way behind the observer and when it is a long way in front of the observer?
A 49 Hz B 84 Hz C 91 Hz D 98 Hz
27 Diagrams X and Y show the passage of water waves around an obstacle and through a gap.
The thick lines are barriers to the waves and each thin line represents a wavefront.
X Y
Which statement is correct?
A Diagrams X and Y both illustrate diffraction.
B Diagrams X and Y both illustrate interference.
C Only diagram X illustrates interference.
D Only diagram Y illustrates diffraction.
28 The diagram shows a long rope fixed at one end. The other end is moved up and down, setting
up a stationary wave.
vibration
up and
down
fixed
endX Y
What is the phase difference between the oscillations at X and at Y?
A 0 B 45° C 90° D 135°
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29 A diffraction grating is used to measure the wavelength of monochromatic light.
The spacing of the slits in the grating is 1.15 × 10–6 m. The angle between the first order
diffraction maxima is 60.0°, as shown in the diagram.
60.0°monochromatic
light
grating
What is the wavelength of the light?
A 288 nm B 498 nm C 575 nm D 996 nm
30 Which path shows a possible movement of an electron in the electric field shown?
A
D
B
C
path of electron
31 The diagram shows an electric field pattern caused by two positive and two negative point
charges of equal magnitude placed at the four corners of a square.
In which direction does the force act on an electron at point X?
+
+
–
–
X
CD
BA
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32 Two large horizontal metal plates are separated by 4 mm. The lower plate is at a potential
of –80 V.
–80 V
4 mm
Which potential should be applied to the upper plate to create an electric field of strength
60 000 V m–1 upwards in the space between the plates?
A –320 V B –160 V C +160 V D +320 V
33 An electric kettle is marked 3.10 kW. It is used with an electrical supply of 240 V.
What is the electric current in the kettle and what is the kettle’s electrical resistance when
working?
current / A resistance / Ω
A 0.0129 18 600
B 0.0770 3100
C 12.9 18.6
D 12.9 3100
34 A thick copper wire is connected to a thin copper wire in series with a cell, as shown.
thick wire thin wire
What is significantly less in the thick wire than in the thin wire?
A the charge passing a point per unit time
B the drift speed of the electrons
C the number density of the free electrons
D the number of free electrons passing a point per unit time
35 What is a typical value for the order of magnitude of the resistivity of copper?
A 10–13 Ω m B 10–8 Ω m C 10–3 Ω m D 102 Ω m
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36 In the circuit shown, the reading on the ammeter is zero.
A
R3
R4
R1
R2
The four resistors have different resistances R1, R2, R3 and R4.
Which equation is correct?
A R1 – R3 = R2 – R4
B R1 × R3 = R2 × R4
C R1 – R4 = R2 – R3
D R1 × R4 = R2 × R3
37 The diagram shows currents I1, I2, I3, I4 and I5 in different branches of a circuit.
I1 I2
I3
I4 I5
Which equation is correct?
A I1 = I2 + I3
B I2 = I1 + I3
C I3 = I4 + I5
D I4 = I5 + I3
20
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reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the
publisher will be pleased to make amends at the earliest possible opportunity.
To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge
International Examinations Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at
www.cie.org.uk after the live examination series.
Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local
Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge.
© UCLES 2016 9702/11/O/N/16
38 What is a proton?
A a hadron
B a particle consisting of two down quarks and one up quark
C a positive fundamental particle
D a positive lepton
39 What are the correct descriptions of a γ-ray and a β– particle?
γ-ray β– particle
A high-speed electron electromagnetic radiation
B electromagnetic radiation helium-4 nucleus
C electromagnetic radiation high-speed electron
D high-speed electron helium-4 nucleus
40 In a radioactive decay series, three successive decays each result in a particle being emitted.
The first decay results in the emission of a β– particle. The second decay results in the emission
of an α particle. The third decay results in the emission of another β– particle.
P
β–
Q
α
R S
β–
Nuclides P and S are compared.
Which statement is correct?
A P and S are identical in all respects.
B P and S are isotopes of the same element.
C S is a different element of lower atomic number.
D S is a different element of reduced mass.
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