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AQA A-level PHYSICS Paper 1 QP MAY 2023
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AQA A-level PHYSICS Paper 1 QP MAY 2023
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AQA A-level PHYSICS Paper 1 QP MAY 2023Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
PHYSICS
Paper 1
Wednesday 24 May 2023 Afternoon Time allowed: 2 hours
Materials
For Examiner’s Use
For this paper you must have:
• a pencil and a ruler
• a scientific calculator • a Data and Formulae Booklet • a protractor. Question Mark
1
Instructions
• Use black ink or black ball-point pen. 2
• Fill in the boxes at the top of this page.
• Answer all questions. 3
• You must answer the questions in the spaces provided. Do not write outside the
box around each page or on blank pages. 4
• 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). 5
• Do all rough work in this book. Cross through any work you do not want to be
marked. 6
• Show all your working.
7–31
Information TOTAL
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 85.
• You are expected to use a scientific calculator where appropriate.
, 2
Do not write
outside the
box
• A Data and Formulae Booklet is provided as a loose insert.
*JUN237408101* IB/M/Jun23/E8 7408/1
Section A
Answer all questions in this section.
IB/M/Jun23/7408/1
, 3
Do not write
outside the
box
0 1 The neutral lambda particle Λ0 is a baryon with a
strangeness of −1
One possible decay for a Λ0 is
Λ → π0 0
+n
0 1
.1 Deduce the quark structure of a Λ0.
[1 mark]
0 1
.2 State and explain which interaction is involved in this decay.
[2 marks]
0 1
.3 An antiparticle of the neutral lambda particle decays into a neutral pion and particle X.
Identify X.
[1 mark]
Turn over ►
IB/M/Jun23/7408/1
, 4
Do not write
outside the
box
IB/M/Jun23/7408/1
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