Question

what is formula of find power of lens​

Answer 1

Answer:

THE FORMULA

Explanation:

the power of a lens is defined as the reciprocal of its focal length in meters or D= 1/f, where D is the power in diopters and f is the focal length in meters. lens surface power can be found with the index of refraction and radius of curvature

Answer 2

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and I am sorry I don't know the answer because I am not of your level