A convex lens of focal length 20 cm is used as a magnifying glass. For maximum magnification, object should be placed at MCQ with Answer and Explanation

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A convex lens of focal length 20 cm is used as a magnifying glass. For maximum magnification, object should be placed at

A. At 2F

B. Infinity

C. 20 cm

D. Just inside the focal point

Answer: Option D

Solution (By JKSSB Mock Tests)

As simple microscope, object near F (just inside) gives virtual, magnified image.

This question belongs to: Science Physics

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