Please write clearly in block capitals.
Candidate
Centre number
number
Surname
Forename(s)
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I declare this is my own work.
A-level
For Examiner’s Use
PHYSICS7408/2 Question Mark
1
ACTUAL 2025 PQPER 2
MERGED WITH MARK 3
4
SCHEME
5
Paper 2
6
7–31
TOTAL
Monday 9 June 2025 Morning Time allowed: 2 hours
Materials
For this paper you must have:
• a pencil and a ruler
• a scientific calculator • a Data and Formulae Booklet
• a protractor.
Instructions
• Use black ink or black ball-point pen.
, 2
Do not write
outside the
box
• Fill in the boxes at the top of this page.
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the box around each
page or on blank 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 85.
• You are expected to use a scientific calculator where appropriate.
• A Data and Formulae Booklet is provided as a loose insert.
*JUN257408201* tyrionpapers.com 7408/2
IB/M/Jun25/G4006/E12
Section A
Answer all questions in this section.
tyrionpapers.com
IB/M/Jun25/7408/2
, 3
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0 1 .1 Information about the radius of a nucleus can be deduced from the closest approach of
alpha particles and from electron diffraction.
Alpha particles, each with a kinetic energy of 5.59 MeV, are fired at a thin foil made of
0 1
gold (197 79Au) atoms.
Some of the alpha particles are scattered through an angle of 180°.
Estimate the radius of a 197 79Au nucleus from this information.
[3 marks]
radius of nucleus = m
Turn over ►
tyrionpapers.com
IB/M/Jun25/7408/2
, 4
Do not write
outside the
box
0 1 .2 Explain why your answer to Question 01.1 is an estimate.
[2 marks]
*02*
tyrionpapers.com
IB/M/Jun25/7408/2
Candidate
Centre number
number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
For Examiner’s Use
PHYSICS7408/2 Question Mark
1
ACTUAL 2025 PQPER 2
MERGED WITH MARK 3
4
SCHEME
5
Paper 2
6
7–31
TOTAL
Monday 9 June 2025 Morning Time allowed: 2 hours
Materials
For this paper you must have:
• a pencil and a ruler
• a scientific calculator • a Data and Formulae Booklet
• a protractor.
Instructions
• Use black ink or black ball-point pen.
, 2
Do not write
outside the
box
• Fill in the boxes at the top of this page.
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the box around each
page or on blank 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 85.
• You are expected to use a scientific calculator where appropriate.
• A Data and Formulae Booklet is provided as a loose insert.
*JUN257408201* tyrionpapers.com 7408/2
IB/M/Jun25/G4006/E12
Section A
Answer all questions in this section.
tyrionpapers.com
IB/M/Jun25/7408/2
, 3
Do not write
outside the
box
0 1 .1 Information about the radius of a nucleus can be deduced from the closest approach of
alpha particles and from electron diffraction.
Alpha particles, each with a kinetic energy of 5.59 MeV, are fired at a thin foil made of
0 1
gold (197 79Au) atoms.
Some of the alpha particles are scattered through an angle of 180°.
Estimate the radius of a 197 79Au nucleus from this information.
[3 marks]
radius of nucleus = m
Turn over ►
tyrionpapers.com
IB/M/Jun25/7408/2
, 4
Do not write
outside the
box
0 1 .2 Explain why your answer to Question 01.1 is an estimate.
[2 marks]
*02*
tyrionpapers.com
IB/M/Jun25/7408/2
