Question

What is called power of lens?? state SI unit of it and write the formula relating the power of lens and focal length of lens​

Answer 1

Answer:

Dioptre

Power of lens is the ability of the lens to converge the rays of light falling on it. It can also be defined as P=1/f where f is the focal length. S.I. unit of power is D(Dioptre).

Answer 2

Answer:

Here is your answer.

Explanation:

Power of lens is the ability of the lens to converge the rays of light falling on it. It can also be defined as P=1/f where f is the focal length. S.I. unit of power is D(Dioptre).