Question

What is 1 dioptre .what is its SI unit

Answer 1

Answer:

A 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.

mark in BRAINLIEST

Answer 2

✔Answer ⭐

⏩1 Dioptre :-

✔1 diopter is si unit of the power of whose whose focal length is 1 meter

✔this is denoted by D .

So,

1D = 1 m^-1 .