Question

what is one dioptre of power??​

Answer 1

Answer:

One Dioptre = It can be defined as the unit of measurement for both optical lenses and curved mirrors. which is equal to reciprocal of focal length in metres .

1 D = 1 / f

where f is focal length in metres .

therefore

1 D = 1 / m

1 D = 1 m ^-1

hope it helps you

Answer 2

✦✧ANSWER✦✧

The SI unit of power of lens is dioptre which is denoted by the letter D. 1 dioptre is defined as the power of a lens of focal length 1 metre.

Hope this will help you♥