Exam (elaborations)
AQA GCSE MAY 2023 COMBINED SCIENCE TRILOGY PHYSICS FOUNDATION TIER 8464 PAPER 1 ACTUAL PAPER
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AQA GCSE MAY 2023 COMBINED SCIENCE TRILOGY PHYSICS FOUNDATION TIER 8464 PAPER 1 ACTUAL PAPER
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Please write clearly in block capitals.Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
F
GCSE
COMBINED SCIENCE: TRILOGY
Foundation Tier
Physics Paper 1F
Thursday 25 May 2023 Morning Time allowed: 1 hour 15 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a ruler Question Mark
• a scientific calculator
1
• the Physics Equations Sheet (enclosed).
2
Instructions 3
• Use black ink or black ball-point pen. 4
• Pencil should only be used for drawing.
5
• Fill in the boxes at the top of this page.
• Answer all questions in the spaces provided. 6
• If you need extra space for your answer(s), use the lined pages at the end of TOTAL
this book. Write the question number against your answer(s).
• Do all rough work in this book. Cross through any work you do not want to be
marked.
• In all calculations, show clearly how you work out your answer.
Information
• The maximum mark for this paper is 70.
• 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.
*JUN238464P1F01*
IB/M/Jun23/E7 8464/P/1F
, 2
Do not write
outside the
0 1 A scientist investigated the radiation emitted by different radioactive isotopes. box
The scientist had a sample of polonium-210.
4
The radiation emitted by polonium-210 can be represented by the symbol 2 He.
0 1 . 1 Which type of radiation can be represented by the symbol 42 He?
[1 mark]
Tick () one box.
Alpha
Beta
Gamma
0 1 . 2 How many protons are there in a particle of radiation represented by 42 He?
[1 mark]
Tick () one box.
2 4 6 8
0 1 . 3 A polonium-210 (Po) nucleus changes into a lead (Pb) nucleus by emitting a
4
2 He particle. This is shown by the following nuclear equation.
210 206
84 Po → X Pb + 42He
What is the value of X?
[1 mark]
Tick () one box.
80 82 84 86
*02*
IB/M/Jun23/8464/P/1F
, 3
Do not write
outside the
0 1 . 4 The sample of polonium-210 had an activity of 100 Bq. box
Complete the sentence.
Choose the answer from the box.
[1 mark]
25 50 100 200
After one half-life, the activity of polonium-210 in the sample
was Bq.
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun23/8464/P/1F
, 4
Do not write
outside the
The scientist investigated another radioactive isotope that is a source of gamma box
radiation.
Figure 1 shows the equipment used.
Figure 1
0 1 . 5 The count-rate is the number of counts detected each second.
In 30 seconds the number of counts detected was 1500.
Calculate the count-rate.
[2 marks]
Count-rate = counts per second
*04*
IB/M/Jun23/8464/P/1F
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