Question

Give MKS units for power of a lens.

Answer 1

dayopter is the unit of lens.its symbol is D

Answer 2

Lens power is measured in units of diopters. One diopter = 1 m^−1 (one reciprocal meter), and is the reciprocal of the lens focal length in meters.

Although the diopter is not an official SI derived unit, it is dimensionally consistent with MKS SI units.

Hope it helps u a lot ..........