Question

the unity of power of lens is dioptre it is true or false​

Answer 1

Answer:

IT'S TRUE

THANK YOU.

@brutalguy :)

Answer 2

Answer:

Diopter, in optics, unit of magnifying power of a lens or lens system. ... Because the power of a lens is proportional to unity (one) divided by the focal length (see lens), the power of a lens in diopters is numerically equal to 1 m divided by the focal length in metres.