AQA SUMMER 2026
PREDICTED PAPER
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatuure
I declare this is my own work.
A-level
PHYSICS WORKED SOLUTIONS
Paper 3
Section B Medical physics
Time allowed: The total time for
both sections of this paper is
Materials 2 hours. You are advised to
For this paper you must have: spend approximately 70 minutes
• a pencil and a ruler
on this section.
• a scientific calculator
• a Data and Formulae Booklet
• a protractor
Instructions
• Use black ink or black ball-point pen. For Examiner’s Use
• Fill in the boxes at the top of this page.
• Answer all questions. Question Mark
• You must answer the questions in the spaces provided. Do not write 1
outside the box around each page or on blank pages. 2
• If you need extra space for your answer(s), use the lined pages at the end of
3
this book. Write the question number against your answer(s).
• Show all your working. 4
• Do all rough work in this book. Cross through any work you do not want TOTAL
to be marked.
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 35.
• You are expected to use a scientific calculator where appropriate.
• A Data and Formulae Booklet is provided as a loose insert.
for more: tyrionpapers.com
7408/3BB
, 2
Do not write
outside the
Section B box
Answer all questions in the spaces provided.
0 1 The human eye is an optical refracting system capable of focusing on objects at
varying distances. Defects of vision can arise when the eye is unable to focus correctly
onto the retina. Figure 1 shows the cross section of the eye.
Figure 1
0 1 . 1 Explain the process of accommodation, referring to the ciliary muscles and how the
focal length of the lens changes.
[2 marks]
for more: tyrionpapers.com
, Figure 2 showing light rays converging before the retina
Figure 2
0 1 . 2 Describe how myopia arises and explain how it is corrected using a suitable lens.
[2 marks]
0 1 . 3 A patient has a far point of 2.0 m. Calculate the power of the corrective lens required.
[2 marks]
Power of the corrective lens=___________________D
for more: tyrionpapers.com
PREDICTED PAPER
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatuure
I declare this is my own work.
A-level
PHYSICS WORKED SOLUTIONS
Paper 3
Section B Medical physics
Time allowed: The total time for
both sections of this paper is
Materials 2 hours. You are advised to
For this paper you must have: spend approximately 70 minutes
• a pencil and a ruler
on this section.
• a scientific calculator
• a Data and Formulae Booklet
• a protractor
Instructions
• Use black ink or black ball-point pen. For Examiner’s Use
• Fill in the boxes at the top of this page.
• Answer all questions. Question Mark
• You must answer the questions in the spaces provided. Do not write 1
outside the box around each page or on blank pages. 2
• If you need extra space for your answer(s), use the lined pages at the end of
3
this book. Write the question number against your answer(s).
• Show all your working. 4
• Do all rough work in this book. Cross through any work you do not want TOTAL
to be marked.
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 35.
• You are expected to use a scientific calculator where appropriate.
• A Data and Formulae Booklet is provided as a loose insert.
for more: tyrionpapers.com
7408/3BB
, 2
Do not write
outside the
Section B box
Answer all questions in the spaces provided.
0 1 The human eye is an optical refracting system capable of focusing on objects at
varying distances. Defects of vision can arise when the eye is unable to focus correctly
onto the retina. Figure 1 shows the cross section of the eye.
Figure 1
0 1 . 1 Explain the process of accommodation, referring to the ciliary muscles and how the
focal length of the lens changes.
[2 marks]
for more: tyrionpapers.com
, Figure 2 showing light rays converging before the retina
Figure 2
0 1 . 2 Describe how myopia arises and explain how it is corrected using a suitable lens.
[2 marks]
0 1 . 3 A patient has a far point of 2.0 m. Calculate the power of the corrective lens required.
[2 marks]
Power of the corrective lens=___________________D
for more: tyrionpapers.com
