Exam (elaborations)
AQA A-level PHYSICS Paper 2 June 2023
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AQA A-level PHYSICS Paper 2 June 2023
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AQAPlease write clearly in block capitals.
Centre Candidate
number number
Surname
Forename(s)
Candidate re
signatu
A-level
PHYSICS
Paper 2
Friday 9 June 2023 Morning Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
Questio Mark
a pencil and a ruler
n
a scientific calculator
1
a Data and Formulae Booklet
a protractor. 2
3
Instructions
4
Use black ink or black ball-point pen.
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
not write outside the box around each page or on blank
8–32
pages.
If you need extra space for your answer(s), use the lined pages at TOTAL
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.
1
,IB/M/Jun23/E7 7408/2
2
, 2
Do not write
outside the
Section A box
Answer all questions in this
section.
0 1 .1 State what is meant by the internal energy of an ideal gas.
[1 mark]
Figure 1 shows a single gas particle P of an ideal gas inside a hollow cube.
Figure 1
The cube has side length l and volume V.
P has mass m and is travelling at a velocity c perpendicular to side W.
0 1
.2 Explain why P has a change in momentum of −2mc during one collision with
W.
[1 mark]
*02
IB/M/
* Jun23/7408/2
, 3
Do not write
outside the
0 1 .3 P collides repeatedly with W. box
Show that the frequency f of collisions
c
is .
[1
2l
mark]
0 1 .4 Deduce an expression, in terms of m, c and V, for the contribution
of P to the pressure exerted on W.
Refer to appropriate Newton’s laws of motion.
[2 marks]
5
Turn over for the next question
*03
IB/M/
* Jun23/7408/2
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