Question

define 1 diopter of power of a lens ​

Answer 1

A dioptre or diopter is a unit of measurement of Optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in meters ( 1 diopter = 1/m )

Answer 2

Explanation:

Diopter 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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