Question

define power of s lens.what is its​

Answer 1

Answer:

Power of lens is the reciprocal of Focal length

Explanation:

D = 1/F

where D is Dioptre

And F is focal length

plz Mark brilliant answer...

Answer 2

Answer:

yes i hope is helpful to you

Explanation:

the power of a lens is defined as the reciprocal of the focal length converging (convex) lenses have positive focal lengths,so they also have positive power values diverging (concave) lenses have negative focal lengths so they also have negative power values