Science, asked by Ranjunatchi2261, 1 year ago

What do you understand by 1dioptre of power of a lens

Answers

Answered by shejal8

0

Q. Define 1 dioptre of power of a lens. 1 dioptre is SI unit of the power of a lens whose focal length is 1 metre. It is denoted by the letter D. Thus 1D = 1 m-1. Simply, when focal length ' f ' is expressed in metres, then, power is expressed in dioptres.

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