The diameter of the aperture of a plano convex lens is 6 cm

Last updated: 6/10/2023

The diameter of the aperture of a plano convex lens is 6 cm and its maximum thickness is 3 mm If the velocity of light in the material of the lens is 2 x 108 m s its focal length is approximately 1 10 cm 2 15 cm 3 30 cm 4 60 cm