JOYCE BANDA FOUNDATION SCHOOLS
PHYSICS TUTORIAL
3 IGCSE
26/03/26
PHYSICS
MR JULY
1:45 Hours
Candidates answer on the Question Paper.
Additional Materials:
Pen
Pencil
Ruler
Calculator
READ THESE INSTRUCTIONS FIRST
Write in dark blue or black pen.
You may use a soft pencil for any diagrams, graphs or rough working.
Do not use staples, paper clips, highlighters, glue or correction fluid.
Answer all questions.
You should show all your working in the booklet.
At the end of the examination, fasten all your work securely together.
The number of marks is given in brackets [ ] at the end of each question or part question.
2
1. Yuri investigates the time it takes for different sized parachutes to fall to the ground.
He records his results in a table
time for parachute to fall to the ground in seconds
area of
parachute in cm2
test 1
test 2
test 3
50
1.7
1.5
2.8
113
3.0
3.6
3.3
201
6.2
6.3
6.7
314
9.5
9.9
10.0
(a) Calculate the average (mean) time for the parachute with the largest area.
average (mean) time =
seconds
(b) There is one anomalous result in the table.
Circle the anomalous result.
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[1]
3
(c) What do the data tell Yuri about the relationship between the area of the parachute and the air
resistance?
[1]
2
Complete each explanation using these words.
area
force
pressure
(a) People who walk across snow may wear snowshoes.
The person does not sink into the snow because the
a larger
so that the
acts on
is less.
[1]
(b) A sharp knife cuts through cheese more easily than a blunt knife.
The edge of the sharp knife has a smaller
acting on the knife produces a larger
so the
.
[1]
3. This question is about waveforms.
a. Look at the diagram of the waveform of a sound.
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[Turn over
4
X
Y
Z
time
in seconds
W
Which letter shows the amplitude of the sound wave?
Circle the correct answer.
W
X
Y
Z
[1]
(b) The waveform for the sound shows several waves.
0
2
4
6
8
time
in seconds
How many complete waves are there in 8 seconds of the waveform?
number of waves
(c) The diagrams show how sound A interacts with sound B to make sound C.
[1]
waveform of sound A
0
2
4
6
+
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8
time
in seconds
5
waveform of sound B
0
2
4
6
8
time
in seconds
6
8
time
in seconds
=
waveform of sound C
0
2
4
Describe how the waveform of sound A and waveform of sound B interact at:
time = 1 second
time = 3 seconds
[2]
4
The diagram shows the energy flow into and out of a coal-fired power station.
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[Turn over
6
300 MJ
electricity
energy
wasted
70 MJ wasted
in friction
30 MJ wasted
in heating wires
1000 MJ in coal
boiler, turbine
and generator
coal
cooling
tower
transformer
(a) How much useful electrical energy is provided by the power station?
MJ
[1]
MJ
[1]
(b) Calculate how much energy is wasted from the cooling tower?
5
Manjit puts a metal saucepan of milk on a cooker.
metal saucepan
hot milk
hot-plate
heat
Thermal (heat) energy can be transferred by conduction, convection and radiation.
(a) Which is the main process that transfers thermal energy through the milk?
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7
[1]
(b) Which is the main process that transfers thermal energy through the metal saucepan?
[1]
7.
The diagram shows part of an electromagnet.
A
B
(a)
Write down the names of part A and part B on the diagram.
(b)
Write down the material used to make each part.
[2]
Choose words from the list.
air
copper
glass
iron
paper
part A
material
part B
material
[2]
8.
Yuri does an experiment on sound.
loudspeaker
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microphone
oscilloscope
[Turn over
8
Yuri connects a microphone to an oscilloscope.
He places the microphone at different distances from the loudspeaker.
He records the amplitude of the wave on the oscilloscope.
Here are some of the results on the oscilloscope.
distance
(a)
4 cm
6 cm
11 cm
25 cm
Use these pictures to complete the results table.
distance in cm
amplitude of wave in
number of squares
4
2.5
6
..........
11
..........
25
1
[2]
(b)
Which pattern best describes the results?
Tick () the correct answer.
the amplitude does not change with distance
the amplitude decreases with distance
the amplitude increases with distance
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there is no pattern in the results
9. This is a question about forces.
Look at the diagrams.
force
force
gravity
pulling
nut
parachutist to Earth
spanner
A
B
chest expanders
force
C
D
E
Which diagrams show a turning force?
Choose from A, B, C, D and E.
and
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[2]
[Turn over
10
10.
A car is driving along a road.
Complete the sentences about the car.
Use words from the list
air resistance
gravity
chemical
elastic
friction
kinetic
The car is slowing down. The forces that slow the car down are
and
11
.
[2]
Hassan does an experiment to find the maximum friction force between a wooden block and
different surfaces.
wooden block
pull
surface
Here are his results.
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11
friction force
(a)
In
N
surface
test 1
test 2
test 3
carpet
24.5
32.6
26.4
glass
9.3
9.6
10.2
wood
15.0
18.1
16.4
Name the apparatus Hassan uses to measure the friction force.
[1]
(b)
Hassan repeated the measurements for each surface three times.
Explain why.
[1]
(c)
Calculate the average (mean) friction force for the glass experiment.
average (mean) friction force =
Circle the one anomalous reading in the table.
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N
[1]
12
12. Lily investigates which type of insulation is best at reducing the transfer of thermal energy from
hot water.
Look at the diagram of Lily’s experiment.
thermometer
hot water insulation (cardboard, newspaper or
bubble wrap) glass beaker
bench
Look at her results.
cardboard
time in
seconds
newspaper
temperature
time in
seconds
bubble wrap
temperature
time in
seconds
temperature
0
83
0
85
0
85
60
67
60
81
60
81
120
75
120
79
120
79
180
71
180
76
180
77
240
68
240
72
240
75
300
65
300
68
300
73
a. The unit of temperature is missing from the tables.
Write down the unit of temperature.
[1]
b. Calculate the decrease in temperature in the 300 seconds for each beaker.
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13
cardboard
newspaper
bubble wrap
[1]
c. Before the investigation, Lily predicts,
‘Bubble wrap is the best insulator.’
Is her prediction correct?
Explain your answer.
[1]
(d) In one of Lily’s results tables, there is an anomalous result.
Circle the anomalous result in the table.
Give a reason for your answer.
[2]
(e) Lily improves her investigation.
Suggest two improvements Lily makes to her investigation.
1
2
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14
[2]
13.
Write down the names of these electrical symbols.
[2]
14. Heat and temperature are different.
a. Tick (✓) all the correct statements that describe heat.
a measure of how cold something is
a measure of how hot something is
a measure of the thermal energy of a substance
measured in MJ
transferred by conduction
[2]
b. Measurements of temperature in °C can be positive, negative or zero.
Describe how the temperature measurements of water can be positive, negative or zero.
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Use ideas about the three states of matter in your answer.
[2]
15. Blessy investigates floating and sinking.
She puts a whole lemon in a beaker of water.
The whole lemon floats.
Water has a density of 997 kg / m3.
Whole lemon has a density of 984 kg / m3.
Look at the table showing the density of different parts of a lemon.
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part of lemon
density in
kg / m3
peel
956
segment
998
seed
925
16
a. Predict which parts of the lemon float when in water.
Explain your answer.
[1]
b. Blessy wants to find out if the different parts of a lemon will float or sink in salt solution.
She predicts that as the concentration of salt solution increases eventually all three parts of
the lemon will float.
Write a plan for her investigation.
[2]
16.
Chen draws a diagram showing dispension of light
a.
He has not labelled the diagram.
Label the diagram using the following words.
light ray
light source
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sl
it
prism
spectrum
...............................................
...............................................
}
...............................................
...............................................
...............................................
[2]
b. The light from the light source is dispersed into the full colour spectrum.
What colour is the light from the light source?
Circle the correct answer.
blue
green
red
white
yellow
[1]
17. A student whistles three notes into a microphone connected to an oscilloscope.
An oscilloscope shows the shape and size of a sound wave.
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18
(a) The diagram shows the waves for whistle 1 and whistle 2.
whistle 1
whistle 2
Use words from the list below to complete these sentences.
less than
the same as
greater than
(i)
The amplitude of whistle 1 is
whistle 2.
(ii) The wavelength of whistle 1 is
of whistle 2.
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the amplitude of
[1]
the wavelength
[1]
19
(b) The diagram
2 and whistle 3.
shows the waves for whistle
Whistle 2
Whistle 3
Compare the loudness and pitch of whistle 2 and whistle 3.
Loudness
Pitch
[2]
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20
18. There are two different types of energy sources.
a. One type of energy source cannot be replaced once it is used up.
What is the name of this type of energy source?
[1]
b. Circle the two energy sources from the list that cannot be replaced once they are used up.
biomass
coal
crude oil (petroleum)
geothermal
solar
wind
[1]
19. Jamila builds this electrical circuit.
switch 1
direction
of
current
switch 2
X
A
switch 3
Y
a. What type of electrical circuit is this?
Circle the correct answer.
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electrostatic
magnetic
parallel
series
[1]
(b) Jamila wants to turn lamp X on but leave lamp Y off.
What must she do?
[1]
(c) Jamila wants to turn lamp Y on but leave lamp X off.
What must she do?
[1]
(d) Jamila closes all the switches.
What happens to the current at point A?
[1]
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