physics

1 astudent measures the volume of a small, irregularly shaped stone.
which apparatus must be used?
a aruler and a measuring cylinder containing water
b  ameasuring cylinder containing water only
c aruler and an empty measuring cylinder
d_ aruler only

2 which quantity is a vector?
a electric field strength
b_ energy
c mass
d_ temperature

3. anathlete runs 2.4km in 12 minutes.
what is the average speed of the athlete?
a 0.20m/s b 3.3m/s c 29m/s d 200m/s

4 the graph shows how the speed of a car changes during a period of 50s.
25
speed
tes bi ey
10 3 oo
5 by
0 1 1 ' '
0 5 10 15 20 25 30 35 40 45 50
time/s
which row gives the car’s greatest acceleration and the car’s greatest deceleration?
greatest greatest
acceleration deceleration
m/s? m/s?
a 0.75 1.0
b 0.75 3.0
cc 1.3 1.0
d 1.3 3.0

5 which statement about gravitational field strength g is correct?
a g= mass
weight
b  g=mass x weight
c_ gis defined as the mass per unit force
d_ gis equal to the acceleration of free fall

6 which property of an object cannot be changed by applying forces?
a’ mass
b_ shape
c_ speed
d_ volume

7 a-small ball of mass 0.10kg travels horizontally at a speed of 600m/s. it strikes a stationary
wooden block of mass 1.9kg resting on a frictionless horizontal surface.
the ball stays in the block.
what is the speed of the ball and the block immediately after the impact?
a 30m/s b 32m/s c 60m/s d 130m/s

8 an object taken underwater will be damaged if the total pressure acting on it is greater than
2.1 mpa.
what is the maximum depth that the object can be taken underwater before it breaks?
atmospheric pressure = 101000 pa
density of water = 1000 kg/m°
a 10.3m b 204m c 214m d 225m

9 a piece of solid metal melts to become a liquid.
how do the particles of metal or their behaviour change?
a they increase in size.
b they move around each other.
c they move much further apart.
d_ they vibrate more about their fixed positions.

10 brownian motion of particles is observed.
which statements describe the movement of the particles?
1 the particles all travel along a curved path.
2 the particles move randomly.
3. the particles all travel in the same direction.
a 1and3 b= 1 only c 2and3 d 2only

11 a fixed mass of air in a cylinder is compressed by a piston so that the volume of the air
decreases at constant temperature.
how do the air particles now collide with the cylinder walls?
a less often with a greater velocity
b less often with the same velocity
c_ more often with a greater velocity
d_ more often with the same velocity

12 the diagram shows a quantity of gas trapped in a cylinder. the piston is pushed in slowly and the
gas is compressed. the temperature of the gas does not change.
[= re ~+—— piston pushed in
piston
which graph shows the relationship between the pressure and the volume of the gas?
a b
pressure pressure le
0 0
0 volume 0 volume
cc d
pressure pressure
0 0
0 volume 0 volume

13 the liquid level in a thermometer rises when the thermometer is placed in hot water.
what causes this?
a the liquid contracts.
b_ the liquid evaporates.
c_ the liquid expands.
d_ the liquid freezes.

14 which statement describes what happens as ice at 0°c melts to become water?
a_ energy is absorbed and the temperature remains constant.
b_ energy is absorbed and the temperature rises.
c_ energy is released and the temperature remains constant.
d_ energy is released and the temperature rises.

15 which row explains how increasing the surface area of a fixed volume of liquid water and blowing
air over the surface speeds up evaporation?
| | increasing the surface area blowing air over the surface
a increases the total number increases the energy in the
of water molecules present kinetic store of the liquid water
b increases the total number removes water molecules from
of water molecules present above the surface of the water
cc increases the number of water increases the energy in the
molecules close to the surface kinetic store of the liquid water
d increases the number of water removes water molecules from
molecules close to the surface above the surface of the water

16 the table shows the state of materials p, q, r and s, and whether each one contains free
electrons.
[tom [oe [om [arn
free electrons

p v x x x

q x v x x

r x x v v

is) x x v x
using the information in the table, which comparison of the thermal conduction in the materials is
correct?
a litis better in p than in q and s.
b_itis better in q than in r and p.
c_ itis better in r than in q and p.
d_itis better in s than in r and q.

17 aseismic wave has a frequency of 5.0 hz and a speed of 10km/s.
what is the wavelength of the wave?
a 0.20km b 0.50km c 2.0km d 50km

18 sound waves will diffract when going through a gap or passing the edge of a barrier.
which size of wavelength gives the most diffraction in each case?
[acne [a

a small wavelength small wavelength
b small wavelength large wavelength
cc wavelength similar to gap size small wavelength
d wavelength similar to gap size large wavelength

19 a boy is having his eyes tested. a letter is printed on a card placed over his head. he sees the
card in a plane mirror placed in front of him.
he sees the letter ‘r’ in the mirror.
how is it printed on the card?
a b cc d

20 aray of light is refracted as it enters air from glass, as shown.
50°!
air
glass \ /60°
what is the speed of light in the glass?
a 2.0 x 10®m/s
b 2.2 x 10°m/s
c 2.3.x 10°m/s
d 2.7x 10°m/s

21 aconverging lens is being used as a magnifying glass.
which statement is correct?
a_ the image is further away from the lens than the object is.
b_ the image is inverted.
c_ the image is real.
d_ the object must be placed at the principal focus of the lens.

22 which colours of visible light are in the correct order of increasing wavelength?
a red > yellow —> blue
b_ orange —> green > violet
c_ indigo > green > red
d_ blue > green — violet

23 the diagram shows three types of electromagnetic radiation listed in a particular order. the
electromagnetic radiation is travelling in a vacuum.
a
microwaves infrared x-rays
which quantities increase in magnitude going from left to right across the list?
a both speed and frequency
b_ frequency only
c_ speed only
d neither speed nor frequency

24 which row gives the typical values of the speed of sound at room temperature in the materials
stated?
speed of sound
m/s
a 340 1500 5100
b 340 5100 1500
cc 5100 1500 340
d | 3.0x 10° 3.0 x 108 3.0 x 10°

25 two small compasses are placed close to a strong bar magnet.
in which directions do the compass needles point?
a b cc d
n n n n
ss is} is) ss

26 students are asked for a statement about magnetic fields.
three statements are listed.
1 a magnetic field is described as a region in which a stationary electric charge
experiences a force.
2 the direction of a magnetic field at a point is the direction of the force on an s pole
at that point.
3. the relative strength of a magnetic field is shown by the spacing of the magnetic
field lines.
which statements are correct for magnetic fields?
a 1,2and3 b 1and2only c 2and3only d_= 3only

27 a student rubs a plastic rod with a cloth.
the rod becomes electrically charged and is attracted by a negatively charged object.
which statement about the rod is correct?
a lt is negatively charged because it has gained electrons.
b_ it is negatively charged because it has lost electrons.
c_itis positively charged because it has gained electrons.
d_itis positively charged because it has lost electrons.

29 acell has an electromotive force (e.m.f.) of 1.5v.
how much energy is transferred by the cell when it drives 6.0c of charge round a complete
circuit?
a 4.0j b 4.0w cc 9.0j d 9.0w

30 a metal resistance wire of length 1 and cross-sectional area a has resistance r.
what is the resistance of a metal wire of the same material that has length 2/ and cross-sectional
area a 2
2
a a br c 2r d 4r

31 the diagram shows two circuits.
each relay is normally open when there is no current in the coil.
circuit 1 circuit 2
6v 6v
‘ ‘
‘
ov ov
which environmental conditions will cause the light-emitting diodes in circuit 1 and circuit 2 both
to emit light?
a high high
b high low
cc low high
d low low

32 a transformer is 100% efficient.
which pair of equations are both valid for the transformer?
a 1,vp=i1svs bi mm
n, neg

b vi me npvp = nsvs

fy de
c mauve | mm

i, i; n, neg
d 1,v,)=i1;vs npvp = nsvs

33 which diagram shows the structure of a neutral atom?
a b
©) o
key
c+) _ —
(ny{n) @) = neutral subatomic particles
©) (©) = positive subatomic particles
© = negative subatomic particles
©
cc d
©) ©)
(+)
b &
©)
=

34 what is nuclear fission?
a_ the merging of two nuclei to create a heavier nucleus
b_ the process by which electrons are removed from an atom
c_ the process by which stars generate energy
d the splitting of a nucleus to create two smaller nuclei

35 the diagram represents the paths of three types of ionising radiation, x, y and z, through a
magnetic field.
the three types of radiation are alpha, beta and gamma.
x magnetic field
___ -.
z

which statement about the ionising radiation is correct?
a xis positively charged.
by is negatively charged.
c_ zis the most strongly ionising.
d xhasasmaller mass than y.

36 which row correctly matches three radioactive sources to their uses?
emits alpha-particles emits beta-particles emits gamma radiation
and has a long half-life and has a long half-life and has a short half-life
a monitoring the thickness smoke alarm tracer to be injected
of aluminium foil to detect cancer
b monitoring the thickness tracer to be injected smoke alarm
of aluminium foil to detect cancer
cc smoke alarm monitoring the thickness tracer to be injected
of aluminium foil to detect cancer
d smoke alarm tracer to be injected monitoring the thickness
to detect cancer of aluminium foil

37 why are some radioactive sources stored in boxes made from lead?
a_ lead absorbs emissions from the radioactive sources.
b_ lead decreases the half-life of radioactive sources.
c_ lead increases the half-life of radioactive sources.
d_ lead repels all radioactive emissions.

38 the average distance from the earth to the sun is 1.5 x 10''m.
what is the orbital speed of the earth?
a 4.0 x 10°km/day
b 1.3 x 10°km/day
c 2.6 x 10°km/day
d 1.9x 10km/day

39 in which order are the objects listed formed during the life cycle of a star?
a _protostar > red giant - supernova — stable star
b_protostar — stable star > red giant > supernova
c_ red giant > stable star > protostar > supernova
dred giant > supernova —> protostar > stable star

40 what is the distance travelled by light in one year?
a 5.9x10'm
b 5.9x10'°km
c 9.5x 10m
d 9.5x 10%km

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