physics

1. which single apparatus is used to find the volume of a solid cube and which single apparatus is
used to find the volume of a quantity of liquid?
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a balance balance
b balance measuring cylinder
cc ruler balance
d ruler measuring cylinder

2 the speed-—time graph represents a short journey.
speed
0
0 time
which distance-time graph represents the same journey?
a b
distance distance
0 0
0 time 0 time
cc d
distance distance
0 0
0 time 0 time

3 the graph represents the motion of a car.
10
6
4
2
0
0 il 2 3. 4 5
time/s
how far has the car moved between 0 and 5s?
a 2m b 10m c 25m d 50m

4 which statement about mass or weight is not correct?
a masses can be compared using a balance.
b_ mass is a force.
c weights can be compared using a balance.
d_ weight is a force.

5 which two quantities must be known to determine the density of a material?
a mass and area
b- mass and volume
c_ weight and area
d_ weight and volume

6 two boys are sitting on a see-saw. the see-saw is in equilibrium and remains horizontal.
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\ f,
ix zi
sss os eee
sn pivot i 2
what affects the moment of each boy about the pivot?
a his distance from the pivot only
b his height above the ground and his weight
c his weight only
d his weight and distance from the pivot

7 a uniform metre rule is pivoted in equilibrium at the 50cm mark. a mass of 25g is placed at the
30cm mark on the rule.
what is the smallest mass that can be placed on the rule to restore equilibrium?
a 5g b 10g c 15g d 25g

8 auniform beam xy is 100cm long and weighs 4.0n.
80cm :
60cm :
40 on : :
‘tait
centre :
8.0n of beam pivot f
the beam rests on a pivot 60cm from end x.
a load of 8.0n hangs from the beam 10cm from end x.
the beam is kept balanced by a force f acting on the beam 80cm from end x.
what is the magnitude of force f?
a 8.0n b 18n c 22n d 44n

9 three children’s toys, x, y and z, are the same size and shape. they have weights at different
positions inside so that the position of the centre of gravity of each toy is different. each toy’s
centre of gravity is marked p.

x y z
p
p
p
which toy is the most stable and which toy is the least stable when balanced in the positions
shown?
most least
stable stable
a x y
b x z
cc ¥’ x
d ¥ z

10 the diagram shows the energy stores for a mobile (cell) phone and how the energy is transferred
between stores.
chemical ehetoy
energy kinetic
energy
what describes how the chemical energy is transferred?
a electrical work done
b~ mechanical work done
c_ electromagnetic waves
d_ sound waves

11. a moving object is brought to rest by a resistive force of 50 n over a distance of 5.0m.
what is the work done by the force?
a 0.10j b 10j c 55j d 250j

12 which two physical quantities must be used to calculate the power developed by a student
running up a flight of steps?
a force exerted and the vertical height of the steps only
b_ force exerted and the time taken only
c_ work done and the vertical height of the steps only
d_ work done and the time taken only

13 arectangular marble block has dimensions 1m by 1m by 5m and weighs 125000n.
the marble block is stored with the long side resting on the ground, as in diagram 1.
diagram 1 diagram 2
what is the change in the pressure on the ground due to the block when the block is stored as in
diagram 2 rather than diagram 1?
a adecrease of 25000 n/m?
ban increase of 100000n/m?
c_anincrease of 125000n/m?
d nochange

14 four students describe the phrase ‘absolute zero’ during a lesson on the particle model.
which student is correct?
a this is the lowest possible temperature.
b_ particles in a solid start vibrating.
c_ particles do not have any weight.
d_ particles have the least gravitational potential energy.

15 at the surface of a liquid, the more energetic molecules can escape from the liquid into the
atmosphere.
which name is given to this process?
a boiling
b_ condensation
c_ evaporation
d_ melting

16 a teacher puts some cold water in a test-tube.
she holds the bottom of the test-tube while heating the top.
boiling water.
li
cold water se y
ce
the water at the top boils but she continues to hold the test-tube as the bottom remains cold.
which conclusion about water is made from this experiment?
a water is a bad conductor.
b_ water is a bad convector.
c_ water is a good conductor.
d_ water is a good convector.

17 the diagram shows a wave.
8cm
$$
3cm
gight | fesse ree eee tetanic
'
‘ 4cm ‘
what are the amplitude and the wavelength of this wave?
| | amplitude /cm wavelength/cm
a 3 4
b 3 8
cc 6 4
d 6 8

18 a light ray strikes a plane mirror and is reflected.
which angle is always equal in size to the angle of reflection?
a the angle between the incident ray and the mirror
b_ the angle between the incident ray and the normal to the mirror
c_ the angle between the reflected ray and the mirror
d_ the angle between the reflected ray and the incident ray

19 the diagram shows two diverging rays of light passing through a lens and emerging parallel to
each other.
which labelled distance is the focal length of the lens?
thin lens ai
| he |
| b fll

20 a beam of light consists of yellow and blue light.
the beam of light is incident on a glass prism.
which diagram is correct?
a b
yellow blue
blue yellow
glass prism glass prism
cc d
glass prism glass prism
blue yellow
yellow blue

21 the two devices shown use different types of electromagnetic waves.
medical scanning remote controller
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es ese
ke yl °s)
ans sn
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| oe
sevaal ae
[seta \
which types of waves are used in these devices?
medical remote
scanning controller
a ultraviolet infrared
b ultraviolet microwaves
cc x-rays infrared
d x-rays microwaves

22 a boy shouts and hears the echo from a tall building 2.2 later.
the speed of sound in air is 330 m/s.
how far away from the boy is the building?
a 150m b 300m c 360m d 730m

23 the magnetic field of a bar magnet can be represented by magnetic field lines.
which diagram shows two magnetic field lines correctly?
a b cc d

24 aplastic rod is rubbed with a dry cloth. the rod becomes positively charged.
why has the rod become positively charged?
a it has gained electrons.
b_ it has gained neutrons.
c_ithas lost electrons.
d_ it has lost neutrons.

25 which statement about electric current in a conductor is correct?
a_ inad.c. circuit, the electric current gradually decreases along the conductor.
b_ inad.c. circuit, the free electrons flow back and forth.
c_ inana.c. circuit, the electric current remains exactly the same all the time.
d_ inanac.. circuit, the flow of charge changes direction continually.

26 which circuit can be used to measure the resistance of a resistor?
a b cc d
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cd a
le |

27 alamp rated 12v, 2.0a is switched on for 60s.
how much energy is transferred?
a 0.40j b 10j c 360j d 1400j

28 the circuit diagram shows a battery connected to two resistors. four labelled ammeters are
connected into the circuit.
which ammeter shows the largest reading?
(a)p
a 200
(aa)
° yvan
[+ {a)
cc

29 two lamps are connected in parallel.
s, s,
s,

which switches must be closed so that both lamps light?

a s; and s; only

bs, and s; only

c sz and §; only

d si, so and s3

30 which statement about electrical safety is correct?
a_ lf adevice is double insulated, it does not need a fuse.
ba device that has a normal operating current of 3.0a must be protected by a 3.0a fuse.
c_ switches must always be connected into the live supply wire.
d_ the metal casing of an electrical device must be connected to the neutral wire.

31 a student investigates the output voltage induced across a coil of wire by a bar magnet.
when will the induced voltage have the greatest value?
a_ the student slowly moves the bar magnet into the coil of wire.
b_ the student leaves the bar magnet stationary in the coil of wire.
c_ the student quickly removes the bar magnet from the coil of wire.
d_ the student places the bar magnet at rest outside the coil of wire.

32 in which device is the magnetic effect of a current not used?
a electromagnet
b_ loudspeaker
c potential divider
d relay

33 the diagram represents the transmission of electricity from a power station to homes that are
many kilometres away. two transformers are labelled x and y.
transmission
pylon cables pylon
—— ae ——
ln /n
cables ix pam ix
{<—_-|
power in en large [n — ground
sain] ln vn [1 be be
toney | tony |
ss —
what type of transformers are x and y?
ee ee
a step-down transformer step-down transformer
b step-down transformer step-up transformer
cc step-up transformer step-down transformer
d step-up transformer step-up transformer

35 the table shows the composition of three different nuclei.
[muse | rare | mace
nucleus
protons neutrons

x 3 3

¥ 3 4

z 4 3
which nuclei are isotopes of the same element?
a x,yandz b xandyonly c xandzonly d _ yandzonly

36 asample of a radioactive isotope emits 9600 a-particles per second.
after 40 hours the rate of emission has fallen to 600 a-particles per second.
what is the half-life of this isotope?
a 4.0 hours b_ 8.0 hours c 10 hours d 20 hours

37 which row states a harmful effect and a beneficial effect of ionising radiation on living things?
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a kills cancer cells kills cancer cells
b kills cancer cells mutates living cells
cc mutates living cells kills cancer cells
d mutates living cells mutates living cells

38 which statement about the solar system is correct?
a all the planets are rocky.
b only the earth has a moon.
c_ pluto is a dwarf planet.
d_ there are many stars in the solar system.

39 the graph shows the energy radiated by the sun at different wavelengths. most of the energy is
radiated in just three parts of the electromagnetic spectrum, labelled p, q and r.
energy |i i \ | |
radiated | | ' ' 1

04 1 ' i

6 ooo
p q r wavelength
which parts of the electromagnetic spectrum are p and r?

a gamma ray radio
b infrared ultraviolet
cc radio gamma ray
d ultraviolet infrared

40 an astronomer observes redshift in the light from a distant galaxy.
which statement about redshift is correct?
a_ltis the decrease in the observed wavelength of red light emitted from receding galaxies.
b__itis evidence that the universe is contracting and supports the big bang theory.
c_itis evidence that the universe is expanding and supports the big bang theory.
d_ redshift is when light from receding galaxies appears blue.

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