Question

power of lens ? in s I unit​

Answer 1

Answer:

Dioptre is the SI unit for measuring power of a lens.

Explanation:

hope it will help you

Answer 2

Answer:

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.

Explanation:

Dioptre is the SI unit for measuring power of a lens.