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AQA GCSE Physics Exam-style questions (Higher) © Oxford University Press www.oxfordsecodary.co.uk This resource sheet may have been changed from the original. 1 01 Figure 1 shows a simple jumping bug toy. The spider can jump approximately a metre up in the air. Figure 1 01.1 Describe how a student would measure the height of a jump accurately. [2 marks] _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 01.2 The mass of the spider is 18 g. The spider jumps to a height of 85 cms. gravitational field strength = 9.8 N/kg Calculate the change in the gravitational potential energy store of the spider. [4 marks] Change in gravitational potential energy = ____________ J 01.3 Give the elastic potential energy stored in the spring. Assume energy is conserved. [1 mark] Stored elastic potential energy = ____________ J 01.4 The spring constant = 750 N/m. Calculate the compression of the spring. Use the Physics Equations Sheet. [4 marks] Compression = ____________ m

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Page 1: AQA GCSE Physics - LOGS€¦ · AQA GCSE Physics Exam-style questions (Higher) © Oxford University Press  This resource sheet may have been changed from the original. 4 10

AQA GCSE Physics Exam-style questions (Higher)

© Oxford University Press www.oxfordsecodary.co.uk

This resource sheet may have been changed from the original. 1

01 Figure 1 shows a simple jumping bug toy. The spider can jump approximately a metre up in

the air.

Figure 1

01.1 Describe how a student would measure the height of a jump accurately. [2 marks]

_____________________________________________________________________________

_____________________________________________________________________________

_____________________________________________________________________________

01.2 The mass of the spider is 18 g. The spider jumps to a height of 85 cms.

gravitational field strength = 9.8 N/kg

Calculate the change in the gravitational potential energy store of the spider. [4 marks]

Change in gravitational potential energy = ____________ J

01.3 Give the elastic potential energy stored in the spring.

Assume energy is conserved. [1 mark]

Stored elastic potential energy = ____________ J

01.4 The spring constant = 750 N/m.

Calculate the compression of the spring.

Use the Physics Equations Sheet. [4 marks]

Compression = ____________ m

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AQA GCSE Physics Exam-style questions (Higher)

© Oxford University Press www.oxfordsecodary.co.uk

This resource sheet may have been changed from the original. 2

02 A student investigated the specific heat capacity of an aluminium block.

Figure 2 shows the circuit they used to measure the energy supplied to the heater.

Figure 2

02.1 The voltmeter reads 12 V and the ammeter reads 4.2 A.

Calculate the power of the heater. [3 marks]

Power = ____________ W

02.2 The heater is on for 5 minutes.

Calculate the energy transferred to the aluminium block in that time. [4 marks]

Energy transferred = ____________ J

02.3 A second student transfers 16 000 J of energy to a 0.98 kg aluminium block.

They record a temperature increase of 17 °C.

Calculate the specific heat capacity of the block.

Use the Physics Equations Sheet.

Give your answer to 2 significant figures. [4 marks]

Specific heat capacity = ____________ J/kg °C

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AQA GCSE Physics Exam-style questions (Higher)

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This resource sheet may have been changed from the original. 3

02.4 A book of constants gives the specific heat capacity of aluminium as 0.91 kJ/kg °C.

Evaluate the value calculated for the specific heat capacity of aluminium in 02.3.

[2 marks]

_____________________________________________________________________________

_____________________________________________________________________________

_____________________________________________________________________________

03 A teacher investigated the range of gamma radiation in air. The class was positioned at least 2

metres from the source. The background radiation count rate was 20 counts per minute.

03.1 Name a natural source of background radiation. [1 mark]

_____________________________________________________________________________

03.2 The teacher placed a source of gamma radiation in front of a detector and measured the

number of counts in 2 minutes. They then moved the source further away from the detector

and repeated the count for 2 minutes.

Name one precaution the teacher should take when handling the source. [1 mark]

_____________________________________________________________________________

_____________________________________________________________________________

03.3 The teacher continued to increase the distance and measure the count for 2 minutes until the

count rate was the same as the background count.

Calculate the expected count for 2 minutes when the count rate is the same as the

background radiation. [2 marks]

Number of counts = ____________

03.4 Explain why the teacher may not get exactly the same answer as calculated in 3.3. [1 mark]

_____________________________________________________________________________

_____________________________________________________________________________

03.5 The teacher carried out another experiment.

Table 1 gives the data obtained by the teacher.

Table 1

Distance from

detector/cms

Counts per second (cps)

1 2 3 Mean

5 155 168 140 154

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AQA GCSE Physics Exam-style questions (Higher)

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This resource sheet may have been changed from the original. 4

10 49 61 88 66

15 34 33 41 36

20 27 20 25

25 21 14 13 16

Calculate the mean value for a distance of 20 cms. [1 mark]

Mean = ____________

Figure 3 shows some of the data obtained by the teacher.

Figure 3

03.6 Complete Figure 3 by plotting your answer to 03.5.

Draw the line of best fit. [2 marks]

03.7 Describe the relationship between the counts per second and the distance of the detector

from the source.

Explain the relationship. [3 marks]

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Description: __________________________________________________________________

_____________________________________________________________________________

Explanation: __________________________________________________________________

_____________________________________________________________________________

03.8 A student is concerned that having the radioactive source in the classroom has contaminated

them. The teacher reassures them that they are too far away to be irradiated and they are

definitely not contaminated.

Explain the difference between contamination and irradiation and why the teacher is right.

[4 marks]

_____________________________________________________________________________

_____________________________________________________________________________

_____________________________________________________________________________

_____________________________________________________________________________

04 Lenses can be used to form many different types of image.

Figure 4 shows object AB viewed through a convex lens.

Figure 4

04.1 Give the name of the point labelled F on Figure 4. [1 mark]

_____________________________________________________________________________

04.2 Complete Figure 4 by drawing a ray diagram to show the image formed by the lens.

Use an arrow to represent the image. [4 marks]

04.3 The image formed by a concave lens is always virtual, diminished and upright.

Compare an image formed by a concave lens with the image formed by the convex lens in

Figure 4. [2 marks]

_____________________________________________________________________________

_____________________________________________________________________________

_____________________________________________________________________________

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04.4 A student built a projector using a convex lens from a magnifying glass and a shoebox. They

placed their smartphone inside the shoebox and an image 23 mm tall on the phone was

magnified to an image 45 cm tall on the wall.

Calculate the magnification of the projector.

Use the Physics Equations Sheet. [3 marks]

Magnification = ____________

05 A simple loudspeaker consists of wires coiled around a cardboard tube placed loosely on a

magnet.

Figure 5 shows the arrangement.

Figure 5

Figure 6 shows the coils magnified.

Figure 6

05.1 A current flows momentarily through the coils of wire.

Draw the shape of the magnetic field inside the coils of wire onto Figure 6. [2 marks]

05.2 Give the direction the coil moves when the current in 5.1 flows. [1 mark]

_____________________________________________________________________________

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05.3 Describe what a loudspeaker does.

Explain how it works. [4 marks]

Description: __________________________________________________________________

_____________________________________________________________________________

Explanation: __________________________________________________________________

_____________________________________________________________________________

_____________________________________________________________________________

_____________________________________________________________________________

05.4 The magnetic field strength of the permanent magnet used in the loudspeaker is 45 mT.

The Earth’s magnetic field strength averages at 45 μT.

Calculate how many times stronger the permanent magnet is than the Earth’s magnetic field.

[3 marks]

Number of times stronger = ____________

05.5 The force on the coil due to the permanent magnet is 0.0264 N.

The length of the coil is 10 m.

The magnetic field strength of the permanent magnet is 45 mT.

Calculate the current flowing in the coil at that moment.

Use the Physics Equations Sheet.

Give your answer to 2 significant figures. [5 marks]

Current = ____________ A

06 A red-shift of light from distant galaxies is detected on Earth.

06.1 Define red-shift. [1 mark]

_____________________________________________________________________________

_____________________________________________________________________________

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06.2 Table 2 shows the red-shift for four galaxies at increasing distances from Earth.

Table 2

Galaxy Red-shift in nm

A 3.3

B 19.9

C 64.8

D 86.0

Name the galaxy that is moving fastest. [1 mark]

_____________________________________________________________________________

06.3 Explain how red-shift provides evidence that the universe is expanding. [3 marks]

_____________________________________________________________________________

_____________________________________________________________________________

_____________________________________________________________________________

_____________________________________________________________________________

06.4 Describe the Big Bang theory. [2 marks]

_____________________________________________________________________________

_____________________________________________________________________________

06.5 The light from galaxy X is blue shifted.

Explain what that tells us about galaxy X and whether that means the Big Bang theory is

wrong. [2 marks]

_____________________________________________________________________________

_____________________________________________________________________________