Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature I declare this is my own work.
AS
PHYSICS
Paper 1
AQA AS PHYSICS Paper 1 QP MAY 2025
Wednesday 14 May 2025 Morning Time allowed: 1 hour 30 minutes
Materials
For this paper you must have: For Examiner’s Use
a pencil and a ruler Question Mark
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
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 70.
You are expected to use a scientific calculator where appropriate.
A Data and Formulae Booklet is provided as a loose insert.
tyrion pap ers .co m
IB/M/Jun25/G4003/V3
7 4 0 7
,/1
, 2
Do not
write
Answer all questions in the spaces outside
box the
provided.
0 1 Hydrogen has three naturally occurring isotopes. One of these
isotopes is hydrogen-3 3H .
1
0 1 .1 Calculate the specific charge of a nucleus of
hydrogen-3. [2 marks]
specific charge =________________________C kg−1
0 1 .2 The specific charge of the hydrogen-3 nucleus is less than the specific
charges of the nuclei of the other two isotopes.
Suggest why.
[2 marks]
tyrionpapers.com
IB/M/
Jun25/7407/1
, 3
Do not
write
Kaons (K) and pions (π) are produced when a beam of antiprotons is outside
box the
incident on a sample of hydrogen gas.
One reaction that occurs is
p p K π K0
0 1 .3 Deduce, with reference to appropriate conservation laws, the quark structure of the
K0 produced in this reaction.
[3 marks]
quark structure =
0 1 .4
One possible decay of a π+ particle is
π+ A + B
where A is a charged lepton.
Suggest, with reference to appropriate conservation laws, the name of A
and the name of B.
[2 marks]
name of A
9
name of B
tyrionpapers.com
IB/M/
Jun25/7407/1
Centre number Candidate number
Surname
Forename(s)
Candidate signature I declare this is my own work.
AS
PHYSICS
Paper 1
AQA AS PHYSICS Paper 1 QP MAY 2025
Wednesday 14 May 2025 Morning Time allowed: 1 hour 30 minutes
Materials
For this paper you must have: For Examiner’s Use
a pencil and a ruler Question Mark
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
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 70.
You are expected to use a scientific calculator where appropriate.
A Data and Formulae Booklet is provided as a loose insert.
tyrion pap ers .co m
IB/M/Jun25/G4003/V3
7 4 0 7
,/1
, 2
Do not
write
Answer all questions in the spaces outside
box the
provided.
0 1 Hydrogen has three naturally occurring isotopes. One of these
isotopes is hydrogen-3 3H .
1
0 1 .1 Calculate the specific charge of a nucleus of
hydrogen-3. [2 marks]
specific charge =________________________C kg−1
0 1 .2 The specific charge of the hydrogen-3 nucleus is less than the specific
charges of the nuclei of the other two isotopes.
Suggest why.
[2 marks]
tyrionpapers.com
IB/M/
Jun25/7407/1
, 3
Do not
write
Kaons (K) and pions (π) are produced when a beam of antiprotons is outside
box the
incident on a sample of hydrogen gas.
One reaction that occurs is
p p K π K0
0 1 .3 Deduce, with reference to appropriate conservation laws, the quark structure of the
K0 produced in this reaction.
[3 marks]
quark structure =
0 1 .4
One possible decay of a π+ particle is
π+ A + B
where A is a charged lepton.
Suggest, with reference to appropriate conservation laws, the name of A
and the name of B.
[2 marks]
name of A
9
name of B
tyrionpapers.com
IB/M/
Jun25/7407/1
