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If the focal length of the biconvex lens is 25 cm then the power of the lens will be ...

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TIER 2 General Science Physics Add to Study Deck

If the focal length of the biconvex lens is 25 cm, then the power of the lens will be

Explanation:

+ 4 dioptre

Given:-
P=1/f   f=25cm=0.25m

P=1/0.251?=4D

Since, it is a convex lens, the power is positive. Thus, P=+4D

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