Physics, asked by sharanabasappa987, 1 year ago

(b) What is the unit of power of a lens Define the unit of power of a lens

Answers

Answered by sweety4058

4

Answer:

The power of a lens is the reciprocal of its focal length in meters. It is represented by the letter P.

The power P of a lens of focal length f is given by f = 1/P.

The SI unit of power is dioptre

Answered by Prempundir389

2

Answer:

power of 5 = P = 1 / focus

unit of power = diameter D

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