Candidate signature
I declare this is my own work.
GCSE
COMBINED SCIENCE: TRILOGY
Foundation Tier
F
Physics Paper 1F
Thursday 25 May 2023Morning Time allowed: 1 hour 15 minutes
2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/P/1F Physics Paper
1F Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] For Examiner’s Use
Materials
Question Mark
For this paper you must have:
• a ruler 1
• a scientific calculator 2
• the Physics Equations Sheet (enclosed). 3
4
Instructions
• Use black ink or black ball-point pen. 5
• Pencil should only be used for drawing. 6
• Fill in the boxes at the top of this page.
TOTAL
• Answer all questions in the spaces provided.
• 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).
• 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*
, 2
Do not write
outside the
box
0 1A scientist investigated the radiation emitted by different radioactive isotopes. The
scientist had a sample of polonium-210.
4
The radiation emitted by polonium-210 can be represented by the symbol 2 He.
4
0 1. 1 Which type of radiation can be represented by the symbol 2 He?
[1 mark]
✓
Tick ( ) one box.
Alpha
Beta
Gamma
42 He?
0 1 .2 How many protons are there in a particle of radiation represented by
[1 mark]
✓
Tick ( ) one box.
2 4 6 8
42 He
0 1 . 3 A polonium-210 (Po) nucleus changes into a lead (Pb) nucleus by emitting a
particle. This is shown by the following nuclear equation.
210 206 4
84Po → XPb + 2He
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 . 4The 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 box
of gamma 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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Tyche. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
