Physics · Oct / Nov 2021 · Paper 41 · Question 5
0625
As printed in the paper
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5(a)[2]
(point) where (parallel) rays (of light) meet (after passing through lens)
point) where parallel rays (of light) meet / are focussed (after passing through lens) or (point) through which rays (of light) that emerge parallel pass (before reaching lens)
5(b)[1]
distance between principal focus / focal point and optical centre / lens
5(c)(i)[1]
vertical line labelled L 4.0 (± 0.2) cm to the right of O
5(c)(ii)[2]
paraxial ray from tip of O to candidate’s lens and from lens to tip of I or paraxial ray from lens to tip of I and from tip of O to candidate’s lens
3.0 (± 0.2) cm
5(c)(iii)[2]
fourth box ticked i.e:
reversed / inverted
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