Question

What is Power of a lens​

Answer 1

POWER OF LENS IS THE RECIPROCAL OF FOCAL LENGTH

IF FOCAL LENGTH IS IN METRE THEN POWER IS IN DIOPTRE .

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Answer 2

Answer:

The ability of a lens to converge or diverge light rays is known as power of lens.

* It is denoted by P

* The S.I unit of power is dioptre (D)

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