Q

An object is 60 cm from a concave lens of focal length 30 cm. What is the image magnification?

RRB Group-D 29/09/2022 / Shift-I 2022
✓ Answer: D +0.33
For f = -30 cm and u = -60 cm, v = -20 cm. Thus m = v/u = +1/3, approximately +0.33.
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