2016_physics_olevel_nov_paper1

Extracted Content: 2016_physics_olevel_nov_paper1

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Por Rufermance fleaiarenat

ZIMBABWE SCHOOL EXAMINATIONS COUNCIL,

General Certificate of Education Ordinary Level

PHYSICS 5055/1 |
PAPER | Multiple Choice

NOVEMBER 2016 SESSION 1 hour

Additional materials:
Multiple Choice answer sheet
Soft clean eraser
Soft pencil (type B or HB is recommended)
Electronic calculator and/or Mathematical tables

TIME 1 hour

INSTRUCTIONS TO CANDIDATES

Do not open this booklet until you are told to do so. ;

Write your name, Centre number and candidate number on the answer sheet in the spaces
provided unless this has already been done for you.

There are forty questions in 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 very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATES

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.

Any rough working should be done in this booklet.

This question paper consists of 16 printed pages.

Copyright: Zimbabwe School Examinations council, N2016.

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®ZIMSEC N2016

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What instrument is used to measure velocity at an instant?

A speedometer
B odometer

Cc clock

D C.r.0

The diagram shows a measurement on a vernier callipers.

5 6 7 cm

x

The reading shown is

A 5.55 em.
B 5.56 cm.
Cc 5.60 cm.
D 6,00 cm.

A uniform metal rod is heated evenly along its length.

Which statement is correct?

A Its mass decreases.
B Its mass increases.
Cc Its density decreases.
D Its density increases.

The acceleration of an object falling with terminal velocity is

A zero.

B constant.
Cc decreasing.
Dd increasing.

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6cm
| {2om

60g
150g

What is the length, /, if the spring obeys Hooke’s law?

A 15cm
B 21cm
Cc 30cm
D 36cm
6 Which statement about the effect of a force on an object is incorrect?

A It changes the mass of the object. —

B It changes the length of the object.

Cc It changes the shape of the object.

D It changes the direction of the motion of the object.

7 The diagram shows two forces acting on an object.

What is true about the motion of the object?

speed is 2 ms"!
speed is 4 ms
acceleration is 2 ms
acceleration is 4 ms?

Saap

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he mass?

hig on fi

*

What is the resultant force act

ON
10N

30N
300 N

TAUA

[he diagram shows a mercury barometer,

Which length, A, B, Cor D corresponds to the atmos

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nt force acting on the mass?

;amercury barometer.

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11

§

urani
Tn a nuclear power station, 0.25 kg of
ed?
What was the amount of energy produc
3
[the speed of light is 3,0 x 10° nv/s]
A 2.25x10"J
B 9.25 x10" J
Cc 750x10°J
D -7.50x10"F

A boy slides down a rou.

The energy changes for the boy between P and Q are

Iam

potential heat — kinetic.
potential —> kinetic — heat.
kinetic — potential —>heat.
kinetic — heat — potential.

gh plane from a point of rest

P

5055/1 2g 16

was all

P to stop at point Q.

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changed into nuclear energy.

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12 The diagram shows an electrically powered elevator used to lift bales of cotton into a
truck, The elevator takes 30 s to lift one bale of mass 200 kg into the truck (g = 10 ms”).

A 267 W
B 167 W
Cc 100 W
D 67 W
13 Which force must be overcomed when ice changes from solid to liquid?
A The force between electrons and nucleus.
B The force between the atoms in a molecule.
c The force between molecules.
D The force of gravity.
14 Which statement about evaporation is true?
A Evaporation takes place only within the liquid. »
B Evaporation takes place only at a fixed temperature:
Cc Evaporation takes place only at the surface.
D Evaporation takes place only ata fixed pressure.
15 Which design features should a clinical thermometer have?

cottonbale

What is the power developed by the elevator?

thick glass bulb and a narrow bore
thick glass bulb and a wide bore
thin glass bulb and a narrow bore
thin glass bulb and a wide bore

wvoOw>

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s needed to raise the Od
acity of substance is 00 J/kg” C]

swe a bimetallic strip made of copper and iron at 25.)

copper

iron

correctly shows the bimetallic strip when placed at a’ Ai
about — 4 °C, given that copper has a higher rate of thecal pansion than

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49

20

A
B
c
D

Which row is correct about wave speed and frequency when a wave moves from a deep

8 . ‘
The speed of a water wave is best described by the distance |
\

between successive troughs.

between crest and trough.

a particle moves up and down in one second.

a wave front moves in one second. ; \

end to a shallow end?

vam,

wave frequency wave speed
i

changes changes

changes unchanged

unchanged changes

unchanged unchanged

‘ .
A ship transmits ultrasonic waves into the sea of depth 2 500 m and receives an echo 5
seconds later.

What is the speed of ultrasonic sound in water?

BOWS

250 ms!
330 ms”
500 ms!
1000 ms

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22

9
me as the wave passes a fixed point.

i ith ti
The diagram shows how displacement varies wi

displacement/m 0.10

0,05:

What is the ffequency of this wave?

A 0.25 Hz
B 0.50 Hz
Cc 1.0 Hz
D 2.0 Hz

The diagram shows four rays of light from a torch below the surface of water.

Which angle, A, B, C or D, is the critical angle?

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24

10
The diagram shows an optical fibre.

core

Which statement best explains why the ray is trapp ed in the fibre?

A The refractive index of the core is zero.

B The refractive index of the core equals that of the cladding.

Cc The refractive index of the core is less than that of the cladding.

D The refractive index of the core is greater than that of the cladding.

An electrical quantity defined as “the energy converted by a source in driving a unit
charge round a complete circuit” is the

current.
electromotive force.
potential difference.
power,

Baw >

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i erature?
i changes with temper
how the resistance of a thermistor g,
25 Which graph shows 7 :

“ resistance

resistance
ind
temperature
: temperature
D
Cc — F
: c
resistance resis
temperature apemre

26 The diagram shows a carbon resistor.

red yed black

What is the resistance of the resistor?

A 22 £2

B 220 &
Cc 2 200
D

22 000 Q

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27 How much charge flows through a 100 W heater when 10 A is allowed to flow for

5 minutes?
A 0.5C
B 2C
Cc 50C
D 3000 C
28 Which graph shows how the current changes when the voltage across an ohmic conductor
is varied?
A B
current current
) voltage 0 waltage
Cc D
current current
(e) voltage 0 woltage

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Peper , oth lamps?
29 Which is the best switch position in order to turn off b
A B
live :
Cc
neutral
D

“ 4, . * » 9
30 Which statement about an electrical appliance with double insulation 1s correct?

A Ithasno earth wire connected.

B It has an earth wire connected. ;

Cc It has a metal casing. é
D It has high risk of shock.

31 Overheating in electrical cables can be minimised by using

A thinner cables.
B thicker cables.
c thinner insulation.

D thicker insulation.

32 An electric heater is rated 3 kW. Electrical energy costs 0,1 ¢ per kWh.

What is the cost of using the heater for 5 hours?

A 0.5¢
B 15c
c ISc
D 150¢

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33 The diagram shows a solenoid connected to a constant d.c supply.

-———4

Which statement about end P is correct?

A It is positive.
B It is negative.
Cc End P is the north pole,
DB End P is the south pole.

34 The diagram shows a transformer.

primary
coil

Which statement, about the transformer, is correct?

The input is direct current.

The input current is greater than the output current. °
The input current is less than the output current.
The input current is the same as the output current.

Bap

35 Which particle does not experience a force in an electric field?

A neutron |

B proton

Cc electron

DB alpha particle

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n beam. rs top

36 The diagram shows an electro

electron beam | screen

=

<—

bottom
Which change in voltage results in the position of the spot on the screen moving towards
the top? :
A decreasing /1
B decreasing 2

Cc increasing V1

D increasing V2

The diagram shows a logic gate.

37
The logic gate is
A OR.
B NOR.
Cc NAND.
D AND.
38 The radioactive nucleus, s¢Ra, decays with the emission of a B particle :
How many protons and neutrons are left in the nucleus?
protons ” neutrons
A 88 137
B 38 138
Cc 89 137
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40

16

The count-rate from a radioactive source of half-life 1.0 minutes falls from
1,
A 3 minutes,
B 1 minute.
c 3 minutes.
D 8 minutes.
The diagram shows apparatus to determine the thickness of paper.
rollers source of
particles

sheet of «
- paper - -

detector

A source of alpha-particles is not suitable because alpha particles
are all stopped by the paper.

are too dangerous to those working nearby.

have a short half-life.

make the paper radioactive.

yaw

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400 to 50 in

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