Science, asked by Anonymous, 4 months ago

what is s.i unit of lens??

Answers

Answered by angeliccutie76

Answer:

A dioptre

Explanation:

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Answered by divyabhanushali2015

Explanation:

A dioptre (British spelling) or diopter (American spelling) is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length.

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