Physics, asked by Tanishq6580, 1 year ago

Convex lens of power 4d and a concave lens of power 3d are placed in contact.whats the ewuivalent power of combination? 7d or 4/3 d or 1d or 3/4d

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Answered by Rahulkasula

5

4d -3d=1d this is the answer

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