Materials
For this paper you must have:
• a ruler
• a scientific calculator
• the Physics Equations Sheet (enclosed).
Instructions
• Use black ink or black ball-point pen. Pencil should only be used for drawing.
•
...
Materials
For this paper you must have:
• a ruler
• a scientific calculator
• the Physics Equations Sheet (enclosed).
Instructions
• Use black ink or black ball-point pen. Pencil should only be used for drawing.
• Fill in the boxes at the top of this page.
• Answer all questions in the spaces provided.
• Do not write outside the box around each page or on blank pages.
• Do all rough work in this book. Cross through any work you do not want to
be marked.
• If you need extra space for your answer(s), use the lined pages at the end of
this book. Write the question number against your answer(s).
• In all calculations, show clearly how you work out your answer.
Information
• The maximum mark for this paper is 100.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation in
your answers.
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
PHYSICS
Higher Tier Paper 1
H
2
*02*
IB/H/Jun22/8463/1H
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Answer all questions in the spaces provided. box
0 1 Figure 1 shows a large wind farm off the coast of the UK.
Figure 1
The mean power output of the wind farm is 696 MW, which is enough power for
580 000 homes.
0 1 . 1 Calculate the mean power needed for 1 home.
Give your answer in watts.
[2 marks]
Mean power needed for 1 home = W
3
*03*
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0 1 . 2 On one day the demand for electricity in the UK was 34 000 MW.
Suggest two reasons why wind power was not able to meet this demand.
[2 marks]
1
2
0 1 . 3 Some of the energy from the wind used to rotate a wind turbine is wasted.
An engineer oils the mechanical parts of a wind turbine.
Explain how oiling would affect the efficiency of the wind turbine.
[3 marks]
0 1 . 4 In most homes in the UK there are many different electrical devices.
Explain why people should be encouraged to use energy efficient electrical devices.
[2 marks]
4
*04*
IB/H/Jun22/8463/1H
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0 2 box Figure 2 shows a rock found by a student on a beach.
To help identify the type of rock, the student took measurements to determine
its density.
Figure 2
0 2 . 1 Describe a method the student could use to determine the density of the rock.
[6 marks]
5
*05*
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box The student determined the density of the rock to be 2.55 ± 0.10 g/cm3.
0 2 . 2 What are the maximum and minimum values for the density of the rock?
[1 mark]
Maximum density = g/cm3
Minimum density = g/cm3
0 2 . 3 Table 1 gives the density of five different types of rock.
Table 1
Type of rock Density in g/cm3
Basalt 2.90 ± 0.10
Chalk 2.35 ± 0.15
Flint 2.60 ± 0.10
Sandstone 2.20 ± 0.20
Slate 2.90 ± 0.20
Which two types of rock in Table 1 could be the type of rock the student had?
[1 mark]
Tick () one box.
Basalt or chalk
Chalk or flint
Flint or sandstone
Sandstone or slate
Question 2 continues on the next page
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0 2 . 4 The student only took one set of measurements to determine the density of the rock.
Explain why taking the measurements more than once may improve the accuracy of
the density value.
[2 marks]
7
*07*
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DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
8
*08*
IB/H/Jun22/8463/1H
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0 3 An engineering company has invented pavement tiles that generate electricity as box
people walk on them.
Figure 3 shows someone walking on the pavement tiles.
Figure 3
Use the Physics Equations Sheet to answer questions 03.1 and 03.2.
0 3 . 1 What equation links current (I), potential difference (V) and power (P)?
[1 mark]
Tick () one box.
P = V
I
P = V × I
I = P × V
V = I
2 × P
9
*09*
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box 0 3 . 2 When a person walks on a tile, a potential difference of 40 V is induced across the tile.
The power output of the tile is 4.4 W.
Calculate the current in the tile.
[3 marks]
Current = A
Question 3 continues on the next page
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*10*
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8
Use the Physics Equations Sheet to answer questions 03.3 and 03.4.
0 3 . 3 What equation links efficiency, total power input and useful power output?
[1 mark]
Tick () one box.
Efficiency = useful power output
total power input
Efficiency = total power input
useful power output
Efficiency = useful power output × total power input
0 3 . 4 The tiles are used to power LED lights in the pavement.
An LED light has a total power input of 4.0 W.
The efficiency of the LED light is 0.85
Calculate the useful power output of the LED light.
[3 marks]
Useful power output = W
11
*11*
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DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
12
*12*
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0 4 A student box investigated the insulating properties of different materials.
Figure 4 shows some of the equipment used by the student.
Figure 4
This is the method used:
1. Wrap insulating material around the can.
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