Q

A tree is 10 m in front of a convex mirror of focal length 2.5 m. Where is its image?

RRB Group-D 12/09/2022 / Shift-II 2022
✓ Answer: A 2.0 m behind the mirror
1/v = 1/2.5 + 1/10 = 1/2, so v = +2 m.
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