The diameter of a plano convex lens is 5 cm and thickness at

Last updated: 6/14/2023

The diameter of a plano convex lens is 5 cm and thickness at the centre is 5 mm If the refractive index of the material of the lens is 1 5 the focal length of the lens is approximately 1 13 cm 2 15 cm 3 20 cm 4 6 35 cm 1 2 3 4