Question

State two main differences between a convex and concave lens.

Answer 1

Convex lens	Concave lens
1. A convex lens is thicker in the middle and thinner at its edges.	1. A concave lens is thicker at the edges and thinner in the middle.
2. A light beam converges on passing through a convex lens.	2. A light beam diverges on passing through a concave lens.