Q

A 5 cm pin is 50 cm in front of a concave mirror of focal length 40 cm. Where is its image?

RRB Group-D 13/09/2022 / Shift-II 2022
✓ Answer: B 2 m in front
1/v = −1/40 + 1/50 = −1/200, so v = −200 cm = −2 m.
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