Q

An object is 10 cm from a convex mirror of radius of curvature 5 cm. What is its magnification?

RRB Group-D 18/09/2018 / Shift-III 2018
✓ Answer: B 0.3
Source key B is retained, but the calculation is incorrect. With f = +2.5 cm and u = -10 cm, v = +2 cm and m = +0.2. None of the listed options is correct.
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