Physics · May / June 2024 · Paper 61 · Question 3
0625
As printed in the paper
The question as text
A student investigates the image produced by a lens. Fig. 3.1 shows the set-up. illuminated object lens screen x y bench Fig. 3.1 hO Fig. 3.2
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
3(a)[2]
1.6 / 16 as appropriate
matching unit (cm or mm)
3(b)(i)[1]
2.0 cm / 20 mm
3(b)(ii)[1]
10
3(c)(i)[1]
6.2 (cm) / 62 mm
3(c)(ii)[1]
62 (cm) / 620 mm
3(d)[2]
f = 15.1 (cm)
answer is given to 2 or 3 significant figures
3(e)[2]
darkened room / bright object
move screen slowly / back and forth / approach clearest position from both directions (and average)
3(f)[1]
upside down triangle
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