physics

1. the diagram shows an enlarged drawing of the end of a metre ruler. it is being used to measure
the length of a small feather.
‘iii 110 210 310
cm 1 2 3
what is the length of the feather?
a 19mm b 29mm c 19cm d 29cm

2 the diagram shows two objects, x and y, suspended from identical springs.
the extension of each spring is different.
object x =
—
= object y
which row compares the mass and the weight of the two objects?
es
a both objects have the same mass both objects have the same weight
b both objects have the same mass the weight of x is less than the weight of y
cc the mass of x is less than the mass of y both objects have the same weight
d the mass of x is less than the mass of y the weight of x is less than the weight of y

3. a plastic bottle contains 750cm® of oil. the diagram shows the mass of the bottle being
measured when it is full and then when it is empty.
2
6509/35 8s
what is the density of the oil?
a 0.80g/cm? b 0.93g/cm* c= 1.1g/cm? d 1.3g/cm°

4 the extension—load graph for a spring is shown. the unstretched length of the spring is 15.0cm.
le
0
; eee eee ee eee eee eee eere eee ee eee eee ee eee eee eee
extension/em = ecccceecceeee eee rrr rrr eee]
0
seer e res eee eee ee 2 eee eee ee eee eee eee
0
0
2 eee eee eee eee eee eee eee
2 a a
5 a a a a a
5 a a a a
8 on hf ee a a
i
a
ee a eg
aee eh ee ne ce
1 eee eee eee eee eee eee eee eee
eee eee
ecccce ecc coo eee]
ren rhr ee! oe eee hee
i a a a 9 a i gg a al ll ck i i kd an i a
eccccc cce cee eee err
ecccoerret cece eee eee eee]
ssp> 40
(0) fu pos sses sars sss aaas rar rss ssssr sssa
0 1 2 3 4 5
load/n
when an object of unknown weight is suspended on the spring, the length of the spring is
16.4cm.
what is the weight of the object?
a 0.55n b 0.67n c 3.5n d 4.1n

5 a student determines the position of the centre of gravity of a piece of card. the diagram shows
the equipment that is available. the equipment is not drawn to scale.
aw
an u *
clamp and stand pin weight ona pencil stop-watch card
thin string
which piece of equipment is not needed?
a pencil
bpin
c_ weight on a thin string
d _ stop-watch

6 acyclist stops his bicycle using the brakes.
which row about energy stores is correct?
[aereases scs
a kinetic energy store of bicycle chemical energy store of brakes
b kinetic energy store of bicycle thermal energy store of brakes
cc thermal energy store of brakes kinetic energy store of bicycle
d thermal energy store of brakes chemical energy store of bicycle

7 aman applies a force of 40n to push a box along the floor.
<3
sj
zs
<-€e
4.0m
how much power is required to push the box 4.0m in 3.0 seconds?
a 3.3w b 30w c 53w d 480w

8 four identical submarines, p, q, r and s, are lowered from one depth to another in water of a
constant density.
the initial and final depths of each submarine are shown.
ee ss ss ©~rwater surface
submarine submarine
p r
10 meee pep tent
submarine
ss
ee ee once
submarine
q
ee 5
pom ceieaccnen ell bd cccienecl i
which row is correct for the difference in pressure from the initial to the final depth of each
submarine?
least change greatest change
in pressure in pressure
a submarines p and q submarines r and s
b submarines p and q submarine r only
cc submarine p only submarines r and s
d submarine p only submarine r only

9 some terms describing changes of state are listed.
1 boiling
2 solidification
3. condensation
4 evaporation
which two terms identify the same change of state?
a iand3 b 1and4 c 2and3 d 2and4

10 diagram 1 shows apparatus being used to observe smoke particles.
diagram 2 shows how a smoke particle moves randomly.
diagram 1 diagram 2
l e random
: movement
microscope
air particles

——>
light and

—_——_. smoke particles
why do the smoke particles move randomly?
a they are hit by air particles.
b_ they are less dense than air.
c_ they are moved by convection currents.
d_ they gain energy from the light.

11 how is a temperature in degrees celsius (°c) converted to a temperature in kelvin (k)?
a_ add 273 to the temperature in °c.
b divide the temperature in °c by 273.
c multiply the temperature in °c by 273.
d subtract 273 from the temperature in °c.

12 the diagram shows a frictionless piston inside a cylinder.

the air inside the cylinder is heated. the piston moves in the direction shown.

piston
cylinder
———_—_
movement
f of piston
heat

which statement about the air inside the cylinder is correct?

a_ the temperature and volume increase at constant pressure.

b_ the temperature and pressure increase at constant volume.

c_ the temperature, volume and pressure all increase.

d_ the volume and pressure increase at constant temperature.

13 what increases when the temperature of a copper block increases?
a_ the number of copper atoms in the block
b_ the melting point of the block
c the internal energy of the block
d_ the density of the block

14 a textbook gives the description of a thermal process as ‘more-energetic molecules escape from
the surface of a liquid which causes the liquid to cool’.
which process is being described?
a boiling
b_ brownian motion
c_ condensation
d_ evaporation

15 in which situation is radiation the main method by which energy is transferred?
a heating a pan of water using a gas camping stove
b_ energy reaching the earth from the sun
c heating the air in a room with a convection heater
d giving gravitational potential energy to a glider when it is lifted by thermal currents

16 the diagram represents a wave.
' x '
atavatanat
which row gives the wavelength and the amplitude of the wave?
| | wavelength amplitude
a x y
b y x
y
cc we
x 2
d x v.
4 2

17 which row describes a seismic p-wave?
| vpeotwave | dresionotvivaion |
a longitudinal parallel to the direction of propagation of the wave
b longitudinal perpendicular to the direction of propagation of the wave
cc transverse parallel to the direction of propagation of the wave
d transverse perpendicular to the direction of propagation of the wave

18 which diagram shows waves diffracting?
a b
cc d

19 the diagram shows a ray of light in glass incident on the surface between the glass and air.

air
sf

what happens if the angle of incidence is made larger than the critical angle for the glass?

a_ the angle of refraction becomes equal to 90°.

b_ there is a refracted ray and a ray reflected inside the glass.

c_ there is a refracted ray only.

d_ there is only a ray reflected inside the glass.

20 red light of frequency 430 x 10’*hz has a wavelength of 700 x 10°°m.
what is possible for blue light?
aa frequency of 190 x 10'*hz and a wavelength of 450 x 10°°m
ba frequency of 190 x 10'?hz and a wavelength of 950 x 10°°m
c a frequency of 670 x 10'?hz and a wavelength of 450 x 10°°m
da frequency of 670 x 10'*hz and a wavelength of 950 x 10°°m

21 infrared is a useful type of electromagnetic radiation. however, excessive exposure to infrared
can cause harmful effects.
which row gives a use and a harmful effect for infrared?
a detection of cancer mutations
b intruder alarms skin burns
cc detection of fake bank notes cell damage
d thermal imaging internal heating of body cells

22 the table shows data for the hearing ranges of different animals.
which animal has the most similar hearing range to a human?
[arial pearing ranger |

a turtle 20-1000
b mouse 1000-1 000000
cc moth 20 000-300 000
d elephant 16-12 000

23 which description of ultrasound is correct?
a __ longitudinal waves with a frequency greater than 20 000 hz
b longitudinal waves with a frequency less than 20 hz
c_ transverse waves with a frequency greater than 20 000 hz
d_ transverse waves with a frequency less than 20 hz

24 which diagram shows the pattern and the direction of the magnetic field lines around a bar
magnet?
a b
cc d

25 which material is a good electrical conductor?
a glass
b copper
c_ rubber
d wood

26 what is an electric current and how is an ammeter positioned in a circuit to measure the current
in a resistor?
what is an positioning
electric current? of an ammeter
a a flow of charge in parallel with the resistor
b a flow of charge in series with the resistor
cc a flow of voltage in parallel with the resistor
d a flow of voltage in series with the resistor

27 which unit is used for the potential difference (p.d.) between two points in an electrical circuit?
a ampere (a)
b_ joule (j)
c ohm (q)
d_ volt (v)

28 the circuit in the diagram contains four switches, s1, s2, s3 and sy.
i 7 1
s,
s,
s,
s,
which three switches must be closed for the heater to work?
a si, so and s3
b s,, s. and s,
cc si, s3 and sa
d so, s3 and sa

29 the metal case of an electrical appliance is fitted with an earth connection.
what is the purpose of this?
a_tocomplete the circuit supplying the appliance so that it works
b_ to ensure that the cables supplying the appliance do not become damp
c_ to prevent the cables supplying the appliance from overheating
d to protect a user of the appliance from electric shock

30 a student moves a magnet into a coil, as shown. the voltmeter measures the magnitude of the
electromotive force (e.m.f.) induced in the coil.
coil
‘pe aravatatatatavatavavava’s
)

magnet
which quantity does not affect the magnitude of the induced e.m.f.?
a_ the number of turns per unit length in the coil
b _ the polarity of the magnet
c the speed of the magnet
d_ the strength of the magnet

31 astudent makes a small d.c. motor. the teacher supplies the following equipment.
e battery
e ammeter
e voltmeter
e coil of wire
e magnets
e resistor
the student is also able to use other equipment if he wishes.
which equipment must be used?
a ammeter, battery and resistor
b ammeter, coil of wire and voltmeter
c battery, coil of wire and magnets
d magnets, resistor and voltmeter

32 asimple model of the atom consists of small particles orbiting a central nucleus.
which row is correct?
charge on charge on
nucleus orbiting particles

a negative negative
b negative positive
cc positive negative
d positive positive

33 what is the charge on a proton and what is the charge on a neutron?
(| tren | newon |
a +1 -1
b +1 0
cc -1 +1
d -1 0

34 an isotope of radon is radioactive. it decays by emitting an a-particle.
what happens to the nucleus of a radon atom during the emission of the o-particle?
a it becomes the nucleus of a different isotope of radon with fewer neutrons.
b_ it becomes the nucleus of a different isotope of radon with more neutrons.
c_ it becomes the nucleus of an element with a higher proton number.
d_ it becomes the nucleus of an element with a lower proton number.

35 the nuclide notation of the isotope strontium-90 is 3° sr.
which statement is correct?
a a nucleus of strontium-90 has 38 neutrons.
ba nucleus of strontium-90 has 52 neutrons.
c_ a nucleus of strontium-90 has 90 electrons.
d a nucleus of strontium-90 has 90 neutrons.

36 a box is used for storing radioactive sources.
what is the best material to use for lining the box to prevent radiation from escaping?
a aluminium
b_ lead
c paper
d plastic

37 the earth is a planet that orbits the sun once in approximately 365 days.
what does this enable us to explain?
a the cycle of day and night
b_ the cycle of phases of the moon
c the periodic nature of the seasons
d_ the apparent daily motion of the sun

38 the radius of the orbit of venus around the sun is 110 x 10°km.
the radius of the orbit of the earth around the sun is 150 x 10°km.
_ earth

venus ©

sun
the speed of light is 0.30 x 10°km/s.
how long does light take to travel from venus to the earth when these planets are closest to each
other?
a 130s b 370s c 500s d 870s

39 what are the three main types of radiation emitted by the sun?
a _ infrared, radio waves and ultraviolet
b _ infrared, visible light and ultraviolet
c_ microwaves, visible light and x-rays
d_ radio waves, x-rays and ultraviolet

40 whatis a light-year?

a the time for light to travel 1 km in space

b the time for light to travel from the sun to the earth

c the distance travelled in space by light in one year

d the distance travelled by light from the sun to the earth
permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. every
reasonable effort has been made by the publisher (ucles) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the
publisher will be pleased to make amends at the earliest possible opportunity.
to avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the cambridge
assessment international education copyright acknowledgements booklet. this is produced for each series of examinations and is freely available to download
at www.cambridgeinternational.org after the live examination series.
cambridge assessment international education is part of cambridge assessment. cambridge assessment is the brand name of the university of cambridge
local examinations syndicate (ucles), which is a department of the university of cambridge.

Solve 0625_s24_qp_11