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Powers of two lenses kept in contact, are P1 and P2. The power of equivalent lens will be

(A) P1/P2

(B) P2/P1

(C) P1 x P2

(D) P1 + P2

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Best answer

Correct answer is (D) P1 + P2

Powers of two lenses kept in contact, are P1 and P2. The power of the equivalent lens will be P1 + P2.

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