Question

Write any three differences between a convex lens and a concave lens.

Answer 1

The differences between a convex and a concave lens are given below:

Convex Lens	Concave Lens
It is thicker in the middle and thinner at the edges.	It is thinner in the middle and thicker at the edges.
The parallel beams of light after passing through the lens converge at a point after refraction.	The parallel beams of light after passing through the lens appear to diverge from a point after refraction.
It has a real focus.	It has a virtual focus.