Question

Point out the difference between a convex lens and a concave lens.

Answer 1

	Convex Lens		Concave Lens
1.	It is thicker at the centre and thin at the ends.	1.	It is thinner at the centre and thick at the ends.
2.	It converges rays of light.	2.	It diverges rays of light.
3.	It has a real focus.	3.	It has a virtual focus.