alleryA child stands 1.5 m from a plane mirror, then moves 0.5 m towards it. What is the new child-to-image distance?
A3.0 m
B1.0 m
C0.5 m
D2.0 m
Answer & Solution
Correct answer: D. 2.0 m
The child is then 1.0 m from the mirror and the image is 1.0 m behind it, giving a separation of 2.0 m.
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