The power in dioptres of an equi-convex lens with radii of curvature and refractive…

PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

The power in dioptres of an equi-convex lens with radii of curvature

10\,\text{cm}

and refractive index

1.6

is (1)

+12

(2)

+18

(3)

+1.2

(4)

+1.8