1.

Concave lens is used in magnifying glasses.

Answer»

Solution :A magnifying glass is a CONVEX Jens which produces a magnified image of an object. For a magnified image to be OBSERVED the distance between the object and the lens has to be shorter than the focal LENGTH OFTHE Jens: The image fo"rmed is upright, magnified and VIRTUAL. Hence a convex lens is used in manufacturing magnifying glasses.


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