Question

define power of Lans and write si unit​

Answer 1

Answer:

Explanation:

It is defined as the reciprocal of focal length or it is the ability of a lens to bend the rays of light falling on it. Its SI unit is dioptre.

Answer 2

Answer:

Answer:

Explanation:

It is defined as the reciprocal of focal length or it is the ability of a lens to bend the rays of light falling on it. Its SI unit is dioptre.