What is a lens? What are two types of spherical lens?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

A lens is a piece of transparent optical medium bounded by two spherical surfaces. The two main types of spherical lenses are:

i. convex lens
ii. concave lens

Answered by  | 4th Jun, 2014, 03:23: PM