Question

what is meant by power of lens​

Answer 1

Answer:

power of lens =1/f

Explanation:

it's the inverse of focal length of the lens

Answer 2

Answer:

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.

I hope it's helpful for you.

Thank you