Q

An object is 15 cm in front of a convex lens of focal length 25 cm. What is the image distance?

RRB JE (Stage-II) 22/04/2025 / Shift-I 2025
✓ Answer: B -37.5 cm
1/v = 1/f + 1/u = 1/25 - 1/15 = -2/75, so v = -37.5 cm.
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