70 A plano convex lens is made of refractive index 75 1 6

Last updated: 6/28/2023

70 A plano convex lens is made of refractive index 75 1 6 The radius of curvature of the curved surface is 60 cm The focal length of the lens is 1 50 cm 2 100 cm 3 200 cm 4 400 cm F r