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AQA A-level PHYSICS Paper 1 June 2023 $15.49
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AQA A-level PHYSICS Paper 1 June 2023

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AQA A-level PHYSICS Paper 1 June 2023

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  • September 12, 2023
  • 54
  • 2023/2024
  • Exam (elaborations)
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AQA
Please write clearly in block capitals.


Centre Candidate
number number

Surname

Forename(s)

Candidate re
signatu


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 Questio Mark
IB/M/
 a scientific calculator n Jun23/E8

 a Data and Formulae Booklet 1
 a protractor. 2
3
Instructions
 Use black ink or black ball-point pen. 4
 Fill in the boxes at the top of this page. 5
 Answer all questions. 6
 You must answer the questions in the spaces provided. Do
7–31
not write outside the box around each page or on blank
pages. TOTAL
 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.
 Show all your working.

Information
 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.
 A Data and Formulae Booklet is provided as a loose insert.

,7408/1

, 2
Do not write
outside the
Section A box


Answer all questions in this
section.


The0neutral
1 lambda particle Λ0 is a baryon with a strangeness of −1

One possible decay for a Λ0 is

0   0 + n

0 1 .1 Deduce the quark structure of
aΛ.0
[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]




*02
IB/M/
* Jun23/7408/1

, 3
Do not write
outside the
0 1 .4 The rest energy of a Λ0 is equal to the energy of a photon with a box

frequency of 2.69 × 1023 Hz.

Determine, in MeV, the rest energy of a Λ0.
[1
mark]




rest energy MeV
=


0 1 .5 The discovery of particles such as the Λ0 is made by large
international research teams.

Suggest one reason for this.
[1 mark]




6




Turn over for the next question




*03
IB/M/
* Jun23/7408/1

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