Q

An object is 18 cm before a convex mirror of focal length 9 cm. What magnification is produced?

RRB Group-D 09/09/2022 / Shift-II 2022
✓ Answer: C 1/3
1/v = 1/9 + 1/18 = 1/6, so v = +6 cm. m = −6/(−18) = 1/3.
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