Exam (elaborations)
AQA AS PHYSICS Paper 1 June 2023
- Module
- AS PHYSICS
- Institution
- AQA
AQA AS PHYSICS Paper 1 June 2023
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AQAPlease write clearly in block capitals.
Centre Candidate
number number
Surname
Forename(s)
Candidate re
signatu
AS
PHYSICS
Paper 1
Wednesday 17 May 2023 Morning Time allowed: 1 hour 30 minutes
Materials
For Examiner’s Use
For this paper you must have:
a pencil and a ruler Questio Mark
a scientific calculator n
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
not write outside the box around each page or on blank TOTAL
pages.
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 70.
You are expected to use a scientific calculator where appropriate.
, A Data and Formulae Booklet is provided as a loose insert.
, 2
Do not write
outside the
Answer all questions in the spaces box
provided.
0 1 interaction between a negative kaon (K−) and a proton (p) produces
A strong
an omega-minus (Ω−) particle, a neutral kaon (K0) and an unidentified particle Y.
The interaction
is:
K− + p → Ω− + K0 + Y
Table 1 contains information on the particles in this interaction.
Table 1
K− p Ω− K0 Y
Rest energy / MeV 493.8 938.3 1672 497.8 493.8
Baryon number +1 +1 0
Charge −1e +1e −1e 0
Strangeness −1 0 −3 +1
0 1 .1 Complete Table
1. [2 marks]
0 1 .2 Calculate, in J, the rest energy of
the Ω .−
[2 marks]
rest energy J
=
*02
IB/M/
* Jun23/7407/1
, 3
Do not write
outside the
0 1 .3 Suggest how energy is conserved in this box
interaction. Refer to the rest energies of the
particles in Table 1. [2
marks]
The quark structure of the Ω− particle is sss.
The Ω− is unstable. It decays into a proton through a series of decays:
Ω− → Ξ0 + π−
followed
by
Ξ0 → Λ0 + π0
followed
by
Λ0 → p + π−
The Ξ0 and Λ0 are both hadrons.
0 1 .4 Deduce the quark structure of the Λ0
particle.
[4 marks]
quark structure of Λ0 =
Question 1 continues on the next page
*03
IB/M/
* Jun23/7407/1
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