Science, asked by ansarirehana500, 1 year ago


State the SI unit of focal power of lens.

Answers

Answered by amanvsu2
3

Answer:

the Si unit of focal power of a lens is dioptre.

Answered by Anonymous
2
dioptre (British spelling) or diopter (American spelling) is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length.
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