Question

unit of the power of the lens​

Answer 1

Explanation:

The diopter is the unit of measure for the refractive power of a lens. 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

Explanation:

the diameter is the unit of measure for the refractive power of a lens.

the power of a lens is defined as the reciprocal of its focal length in metres ,

or D= 1/F, where D is the power in diopters and F is focal length in metres .

lens surface power can be found with this of reflection and radius of curvature.

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