2025 AQA A-LEVEL PHYSICS Paper 3 Section B Medical Physics. Question Paper & Mark
Scheme (Merged) Tuesday 17 June 2025 [VERIFIED]
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Section B box
Answer all questions in this section.
0 1 . 1 Figure 1 shows a simplified diagram of an eye that has no sight defects.
The eye is viewing a distant point object.
Complete, on Figure 1, the paths of the two rays to the back of the eye.
[2 marks]
Figure 1
0 1 . 2 Accommodation is the ability of the eye to change its optical power.
Which part of the eye enables accommodation?
Tick ( ) one box.
[1 mark]
cornea
iris
lens
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Scheme (Merged) Tuesday 17 June 2025 [VERIFIED]
, 2
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There are no questions printed on this page box
DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES
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IB/M/Jun25/7408/3BB
, 3
Do not write
outside the
Section B box
Answer all questions in this section.
0 1 . 1 Figure 1 shows a simplified diagram of an eye that has no sight defects.
The eye is viewing a distant point object.
Complete, on Figure 1, the paths of the two rays to the back of the eye.
[2 marks]
Figure 1
0 1 . 2 Accommodation is the ability of the eye to change its optical power.
Which part of the eye enables accommodation?
Tick ( ) one box.
[1 mark]
cornea
iris
lens
for more: tyrionpapers.com
IB/M/Jun25/7408/3BB
, 4
Do not write
outside the
Question 1 continues on the next page
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for more: tyrionpapers.com
IB/M/Jun25/7408/3BB
