physics

1 astudent measures the volumes of three liquids using three different measuring cylinders.
cm?
40
30
cm? cm?
2.0 4.0
20
15 3.0
1.0 2.0 140
0.5 1.0
1 2 3
the table shows the volumes recorded by the student.
measuring volume
cylinder /om?
1 1.2
2 2.2
3 25
which readings are correctly recorded?
a 1,2and3 b 1tand2only c 1and3only' d 1only

2 the diagram shows how the speed of a falling object changes with time.
speed
xx ¥ z
0
0 time
which row describes the motion of the object between x and y, and between y and z?
| | between x and y between y and z
a accelerating at rest
b accelerating constant speed
cc decelerating at rest
d decelerating constant speed

3 the speed-time graph represents a journey.
mm
speed ——_
a
0 i aa i
0 time
how does the graph show that the distance travelled in section x of the journey is greater than
the distance travelled in section y?
a_ the area under section x of the graph is greater than the area under section y.
b_ the gradient of section x of the graph is greater than the gradient of section y.
c_ the speed at the end of section x of the journey is greater than the speed at the end of
section y.
d_ the time for section x of the journey is greater than the time for section y.

4 which row contains two correct statements about the mass and the weight of an object?
[[rassofenonie iy wahtofan tect |
a is measured using a measuring cylinder is measured using a balance
b is the gravitational force exerted on the object is the quantity of matter in the object
cc is measured in newtons is measured in kilograms
d is the same everywhere can vary from place to place

5 which equipment is used to find the density of an irregularly shaped stone?
a force meter and ruler
b- measuring cylinder, ruler and water
c measuring cylinder, top pan balance and water
d_ top pan balance and ruler

6 the diagram shows a force f acting at 90° to a bar at a distance d from the point p.
p
——
f

which pair of changes causes the greatest increase in the moment of the force f about the
point p?
a halving f and halving d
b halving f and doubling d
c_ doubling f and halving d
d_ doubling f and doubling d

7 acchild of weight 420n is sitting on a swing with her feet on the ground.
the child experiences an upward force from the ground of 130n and an upward force from the
swing of 290n.
what is the resultant force on the child?
a on b 260n c 580n d 840n

8 a builder lifts one concrete block from the ground onto a platform.
be. ro blocks
ts esie3
re
vg 4 si
‘ <4] platform
2.6m [ask
7 2.1m
sry
ae ground
~--./ ia
the weight of one block is 170n.
what is the useful work done against gravity on one block?
a 360j b 440j c 360w d 440w

9 students are asked for examples of water being used to store energy.
three examples are listed.
1 energy stored in water waves
2 energy stored in tides
3. energy stored in water behind dams
which examples describe water being used to store energy?
a 1,2and3 b tand2only c 1and3only d = 2and3only

10 which statement about power is correct?
a power is measured in joules.
b_ power = energy x time.
c_ power is the rate of energy transfer.
d_ greater power always gives higher efficiency.

11 in which position does a person exert least pressure on the ground?
a_ kneeling on the ground
b lying flat on the ground
c _ sitting on the ground
d standing on the ground

12 which name is given to the change of state when steam at 100°c changes to water at 100°c?
a boiling
b_ condensation
c_ evaporation
d_ melting

13 a fixed mass of air is trapped inside a cylinder fitted with a moveable piston. the piston is slowly
pushed in.
trapped air
|’ jr =
v — piston
cylinder

what happens to the pressure and the volume of the trapped air?
[pressure [ume

a decreases decreases

b decreases does not change

cc increases decreases

d increases increases

14 the diagram shows electricity cables being put up on a warm day. the cables are suspended
between the supporting pylons, as shown.
; electricity cables
supporting pylons
(| y

why are the cables not tightened to make them higher above the ground?

a_ they will contract on cold days.

b_ they will contract on very warm days.

c_ they will expand on cold days.

d_ they will expand on very warm days.

15 which diagram shows the overall movement of particles and the temperature change when a
liquid evaporates?
a b cc d
particles escape particles enter particles escape particles enter
from the liquid the liquid from the liquid the liquid
liquid liquid liquid liquid
cools heats up heats up cools

16 there is a vacuum between the double walls of a vacuum flask.
which types of thermal transfer are reduced by the vacuum?
a conduction, convection and radiation
b_ conduction and convection only
c_ conduction and radiation only
d_ convection and radiation only

17 the diagram shows a transverse wave.
4
1 2 3 ;
distance
which distance is equal to one wavelength?
a_ the distance between points 1 and 2
b_ the distance between points 1 and 3
c_ the distance between points 2 and 3
d_ the distance between points 4 and 5

18 the diagram shows a wave before it reflects from a barrier.
which labelled section of the diagram represents a wavefront?
barrier
|
c d

19 the diagram shows a ray of light as it passes from air into glass.
ss
ip
glass ‘(/\q
air
r
which row shows the angle of refraction and the normal?
erigis af normal
refraction
a p r
b p ss
cc q r
d q is)

20 the diagram shows rays of light passing through a converging lens.
which labelled arrow represents the focal length of the lens?

mas ee

is

a <

a

<——____+|

1 d 1

21 the diagram shows a narrow beam of white light being dispersed by a glass prism to produce a
visible spectrum.
light q
which statement describes what happens to the frequency and wavelength of the light in
observing from p to q across the spectrum?
a_ the frequency and the wavelength both increase.
b_ the frequency and the wavelength both decrease.
c_ the frequency decreases but the wavelength increases.
d_ the frequency increases but the wavelength decreases.

22 the early universe was filled with gamma radiation. since then, the radiation has shifted to the
microwave region of the electromagnetic spectrum.
how has this change affected the wavelength and speed of the radiation?
a decreased decreased
b decreased stayed the same
cc increased decreased
d increased stayed the same

23 sound waves may cause an echo.
what happens to sound waves to cause an echo and what is the nature of sound waves?

what an echo nature of
is caused by sound waves

a reflection longitudinal

b reflection transverse

cc refraction longitudinal

d refraction transverse

24 the diagram shows what happens when a bar pq is brought near to a permanent magnet which
is standing on a balance.
al
78.29/85 89.99|/ss
what could bar pq be?
a _aniron bar or a permanent magnet with p a n pole
b_aniron bar or a permanent magnet with q a n pole
c_aniron bar only
d  apermanent magnet only

25 direct current (d.c.) can be represented on a voltage—time graph.
which graph shows the correct waveform for a d.c. supply?
a b
voltage voltage
0 0
time time
c d
voltage voltage
0 0
time time

26 a resistor with a potential difference (p.d.) of 100 v across it carries a current of 5.0 ma.
what is the resistance of the resistor?
a 0.509 b 200 cc 5000 d 2000002

27 the diagram shows the information label on an electric kettle.
voltage: 110v acc.
power: 1500 w
frequency: 50hz
what is the value of the current when the kettle is heating water?
a_ 0.073a b 2.2a c 3.7a d 14a

28 which circuit enables the resistance of the thermistor to be determined?
a b

i-| |
cc d

i--| t-|

29 astudent makes a battery by connecting five cells, as shown.
25v 2.0v 15v 25v 2.0v
phi
what is the electromotive force (e.m.f.) of the battery?
a 1.0v b 21v c 3.5v d 10.5v

30 the diagram shows the safety label on an electric oven.
60 hz
240 v ~
10.1a
the oven is connected to a mains electric circuit. a fuse is placed in the circuit to protect the
cabling and prevent overheating if there is fault.
where should the fuse be placed and which rating should the fuse have?
| | position of fuse fuse rating/a
a live wire 10
b live wire 13
cc neutral wire 10
d neutral wire 13

31 a straight wire is stationary between the poles of a magnet.

it lies perpendicular to the magnetic field.

wire
magnet pole
magnet fos
which action does not induce an e.m.f. in the wire?
a_ moving the magnet up towards the top of the page and the wire down towards the bottom of
the page

b- moving the magnet up towards the top of the page only

c_ moving the wire and the magnet up towards the top of the page at the same speed

d_ moving the wire down towards the bottom of the page only

32 the diagram shows a wire hanging vertically between the poles of a magnet.
there is a current in the wire in the direction shown. the wire moves into the plane of the page
away from the observer.
in which direction does the wire move when the current is reversed?
a the wire moves into the plane of the page, away from the observer.
b_ the wire moves to the left.
c_ the wire moves to the right.
d_ the wire moves out of the plane of the page, towards the observer.

33 a current-carrying coil in a magnetic field experiences a turning effect.
students are asked how the turning effect can be increased.
three suggestions are listed.
1 decreasing the number of turns on the coil
2 increasing the current
3. increasing the strength of the magnetic field
which suggestions will increase the turning effect?
a 1,2and3 b 1tand2only c iand3only d = 2and3only

34 a student suggests three sources of naturally occurring background radiation.
1 cosmic rays
2 medical x-rays
3. radioactive emissions from radon gas from the ground
which suggestions are correct?
a iand3 b= 1only c 2and3 d 2only

35 a student measures the rate at which ionising radiation is emitted from a radioactive substance.
he places a detector at different distances from the radioactive source.
radioactive _ ‘
count rate meter
ie tft
distance d
the table shows how the count rate from the source varies with distance d.
count rate/counts per minute 1250 | 15 | o | o |
which type of ionising radiation is being emitted by the substance?
a a-particles
b_b-particles
cc y-rays
d x-rays

36 radioactive decay results in the emission of a-particles, b-particles and y-radiation.
which types of emission result in a nucleus changing to that of a different element?
a a-particle emission and b-particle emission
b_a-particle emission and y-radiation emission
c_b-particle emission and y-radiation emission
d_y-radiation emission only

37 a radioactive isotope has a half-life of 120 minutes.
it emits radiation at a rate of 100 particles per second.
how long does it take for the rate of emission to fall to 25 particles per second?
a 30 minutes b 45 minutes c 90 minutes d 240 minutes

38 the diagram shows part of a solar system.
q
<6) 10)
which row correctly identifies the bodies p, q and r?
a moon planet star
b planet moon star
cc planet star moon
d star planet moon

39 which statement about the sun is not correct?
a_ the sun is one of the biggest stars.
b_ the sun emits ultraviolet radiation.
c_ the sun emits infrared radiation.
d_ helium is present in the sun.

40 which statement about the milky way galaxy is correct?

a _ it contains stars that are about the same distance from the earth as the sun.

b_itis a collection of about 1000 stars that can be seen from the earth.

c itis the galaxy that contains the sun and the earth.

d its diameter is about 1 light-year.
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