Question

What do you
understand by the term
power of lence​

Answer 1

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.

Answer 2

Answer:

the power of a lens is defined as a resiprocalof the focal length