physics

1. a student wishes to find the volume of a small, irregularly shaped stone.
stone
a ruler and a measuring cylinder containing some water are available.
which apparatus is needed?
a_ neither the ruler nor the measuring cylinder
b_ the measuring cylinder only
c_ the ruler and the measuring cylinder
d the ruler only

2 acar travels along a road at a constant speed.
what correctly describes the speed-time graph of the car?
a ahorizontal line
ba vertical line
c_ adiagonal line upwards
d_acurved line with increasing gradient

3 four objects are moving along a straight line.
the distance of each object from a fixed point on the line is plotted against time.
which object is decelerating?
a b
distance from distance from
fixed point fixed point
0 0
0 time 0 time
cc d
distance from distance from
fixed point fixed point
0 0}
0 time 0 time

4 an object is taken from the earth to the moon.
the acceleration of free fall is 9.8 m/s” on the earth and is 1.6 m/s’ on the moon.
which row describes the mass and the weight of the object on the moon compared to on the
earth?
ee
a | greater than on the earth same as on the earth
b less than on the earth same as on the earth
cc same as on the earth greater than on the earth
d same as on the earth less than on the earth

5 the diagram shows some liquid in a measuring cylinder.

the mass of the liquid is 16g.

25

cm? 4
15
10
8)
zt’

what is the density of the liquid?
a 0.80g/cm? —-b__1.3g/cm? c 36g/cm* d 320g/cm?

6 a ssingle force acts upon an object and the volume of the object does not change.
which statement is correct?
a_ the density of the object changes.
b_ the velocity of the object changes.
c_ the mass of the object changes.
d_ the weight of the object changes.

7 four electric motors do the same quantity of work when they lift a weight of 10n through the
same distance.
the times taken by each motor to lift the weight are shown.
what is the time taken by the motor which produces the most power?
a 1.5s b 6.0s c 15s d 60s

8 which row describes how the pressure beneath the surface of a liquid depends on the depth
below the surface and on the density of the liquid?
| | depth below surface density of liquid
a pressure decreases pressure decreases
with increasing depth with increasing density
b pressure decreases pressure increases
with increasing depth with increasing density
cc pressure increases pressure decreases
with increasing depth with increasing density
d pressure increases pressure increases
with increasing depth with increasing density

9 in which process does a gas turn into a liquid?
a boiling
b_ condensing
c_ freezing
d_ melting

10 a pollen grain in a beaker of still water is viewed through a microscope.
which diagram shows the most likely movement of the pollen grain?
a b cc d

11 what is the relationship between temperatures in kelvin (t) and temperatures in degrees celsius
(9)?
a 0=t+273 b 6=t-273 c 6=t+ 373 d 6=t-373

12 in a famous experiment, a scientist showed that, when water in an insulated tub is stirred, its
temperature increases.
what can be concluded from this experiment?
a_ temperature is a store of energy.
b_ the water absorbs heat from the surroundings.
c work done by stirring increases the internal energy of the water.
d_ energy is not conserved.

13 solids expand when heated and contract when cooled.
in which example is there a useful application of expansion and not an unwanted effect?
a bridges
b railway lines
c_ telephone cables
d_ thermostats

14 arod is made half of aluminium and half of glass.
a pin is attached to each end of the rod by wax.
the rod is heated at the centre.
a pin falls off when the wax melts.
aluminium glass
a ce tr
pin p pinq
heat
which statement is correct?
a pin p falls off first because aluminium is a better thermal conductor than glass.
b_ pin p falls off first because aluminium is a worse thermal conductor than glass.
c_ pin q falls off first because glass is a better thermal conductor than aluminium.
d_ pin q falls off first because glass is a worse thermal conductor than aluminium.

15 in countries where it is usually hot, houses are often painted white.
what is the reason for this?
a_ white surfaces are good reflectors of infrared radiation.
b_ white surfaces are good conductors of infrared radiation.
c white surfaces are good absorbers of infrared radiation.
d_ white surfaces are good emitters of infrared radiation.

16 what is the name of the distance from one crest in a transverse wave to the next crest?
a amplitude
b_ period
c_ wavefront
d_ wavelength

17 waves on the surface of water travel from deep water to shallow water.
which diagram shows the correct path of the waves in the shallow water?
a b
deep shallow deep shallow
water water water water
cc d
shallow shallow
deep water deep water
water water

18 the diagram shows a thin converging lens with principal focuses at f, and f2.
f, } f, principal axis
a small light source is placed at f,. a beam of light from the source passes through the lens.
which statement correctly describes the beam of light emerging from the lens?
a_ the beam converges to fo.
b_ the beam converges to a point to the right of fo.
c_ the beam diverges from a point to the left of f,.
d_ the beam travels parallel to the principal axis.

19 a student reads the following relationship in his physics book.
i=r
what is the student reading about?
a diffraction due to a gap
b_ dispersion of light by a prism
c_ reflection in a plane mirror
d_ refraction as light enters glass

20 the table shows information about different colours of light.
violet 7.2 x 10%
blue 6.3 x 10
yellow 5.2 x 10"
red 4.5 x 10"
using the data, what is the frequency of orange light?
a 4.0x10"hz
b 5.0x 10“hz
c 6.0x10"hz
d 7.0x 10“hz

21 the table gives the wavelengths of three electromagnetic waves.
electromagnetic wavelength/m
wave
3.2 x 10°
5.0 x 10°
2.6 x 10°
which row correctly identifies p, q and r?
a microwave radio wave x-ray
b microwave x-ray radio wave
cc radio wave microwave x-ray
d radio wave x-ray microwave

22 a healthy human ear is able to hear a range of frequencies.
what is this approximate range?
a 10hz to 1000 hz
b  20hz to 2000hz
c 20hz to 20000 hz
d 200hz to 200000 hz

23 a student hits two wooden blocks together in front of a wall and calculates the speed of sound to
be 340 m/s.
the time between the student hitting the blocks and hearing the echo is 0.59s.
not to
‘ scale
what is the distance between the student and the wall?
a 100m b 200m c 290m d 570m

24 the diagram shows part of the magnetic field between two bar magnets.
2s
x a 2 if
pea
<9
which statement about the ends of the magnets is correct?
a xand y are both n poles.
b  xand y are both s poles.
c xisann pole and y is an s pole.
d xisans pole and y is an n pole.

25 diagrams 1, 2 and 3 show an experiment to compare two magnets 1 and 2.
ww magnet 1 y magnet 2
x z
n n n
magnet magnet magnet
ss) ss) ss)
125.39|68 124.99|ss8 126.79 ss
diagram 1 diagram 2 diagram 3
which row explains the readings on the balances?
| | polarity of magnet 1 | polarity of magnet 2
a x is an n pole zis ann pole
b xis an n pole zisans pole
cc xis an s pole zis an n pole
d xis an s pole zis an s pole

26 which graph of voltage against time shows an a.c. voltage?
a b
od voltage
0 0
0) time 0 time
| |
cc d
voltage voltage
vaawe 0
0) time 0 time
|

27 there is a current j in a resistor for a time ¢. the potential difference (p.d) across the resistor is v.
what does the product ivt represent?
a__ the charge flowing through the resistor
b_ the energy transferred by the resistor
c the power dissipated by the resistor
d_ the resistance of the resistor

28 a student designs a circuit to turn on a fan when the temperature increases.
which component does the student need to use in her circuit?
a b c d
‘
—x&—-  - 6,

29 four statements about safety when designing electrical products are listed.
1 if the outer casing is a conductor, it should be earthed.
2 if the outer casing is a conductor, it should not be earthed.
3 if the outer casing is an insulator, it should be earthed.
4 _ if the outer casing is an insulator, it should not be earthed.
which statements are correct?
a iand3 b 1and4 c 2and3 d 2and4

30 a transformer has 400 turns on the primary coil connected to the 240 v mains supply.
there are two secondary coils to serve different parts of a television. secondary coil 1 has
2500 turns and secondary coil 2 has 20 turns.
which row is correct?
p.d. across p.d. across
secondary coil 1/v secondary coil 2/v

a 12 3.2

b 1500 12

cc 4200 12

d 4200 33

31 a class is designing a d.c. motor. to achieve a greater turning effect, three suggestions are
made.
1 have a larger current in the coil of the motor.
2 have astronger magnet in the motor.
3 puta larger number of turns on the coil.
which suggestions will help to increase the turning effect?
a 1,2and3 b 1tand2only c 1and3only d = 2and3only

32 which statement about the structure of an atom is correct?
a it contains positively charged particles only.
blt contains negatively charged particles only.
c_ it contains no charged particles.
d_ it contains positively charged particles and negatively charged particles.

33 a nuclide of strontium is represented by 3°sr.
which row gives the number and location of the electrons in an atom of 3,sr?
number of '
location of electrons

electrons

a 38 in the nucleus

b 38 surrounding the nucleus

cc 52 in the nucleus

d 52 surrounding the nucleus

34 a radiation detector in a laboratory is measuring background radiation.
which row describes the readings and the cause?
p| atngs cause
a vary with no pattern background radiation is random
b vary with no pattern radiation detectors are unstable
cc slowly increase during the day background radiation increases
as temperature increases
d slowly reduce during the day background radiation decreases
as temperature increases

35 the nuclei of the atoms in a substance are changing randomly and emitting radiation.
what is happening to the substance?
a_ it is undergoing electromagnetic induction.
blt is undergoing magnetisation.
c_itis undergoing solidification.
d_itis undergoing radioactive decay.

36 what is the safest way to store a radioactive source?
a_ ina lead-lined box in a metal cabinet
b_ onashelf away from other radioactive materials
c_ inaglass bottle containing oil
d_ ina fume cupboard

37 which row explains the apparent daily motion of the sun across the sky and the cycle of phases
of the moon?
the daily motion of the cycle of
the sun across the sky phases of the moon
a the earth rotates on its axis the earth orbits the sun once
once every 24 hours approximately every 365 days
b the earth rotates on its axis the moon orbits the earth
once every 24 hours approximately once every month
cc the moon orbits the earth the earth orbits the sun once
approximately once every month approximately every 365 days
d the moon orbits the earth the earth rotates on its axis
approximately once every month once every 24 hours

38 the nearest star to the sun is 4 light-years away.
a spaceship travels at 0.1% of the speed of light.
what is the total time taken for a journey from the sun to the star and back again?
a 400 years
b_ 800 years
c 4000 years
d_ 8000 years

39 in which regions of the electromagnetic spectrum does the sun radiate most of its energy?
a_ microwave to infrared
b ultraviolet to x-ray
c _ infrared to ultraviolet
d radio to infrared

40 what is the approximate diameter of the milky way?
a 100000 kilometres
b 1000000 kilometres
c 100000 light-years
d 1000000 light-years

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