Question

state two difference between a convex and concave lens

Answer 1

convex is a converging lens
concave is a diverging lens
convex is used for magnification
concave is used for seeing far objects

Answer 2

1. Convex lens the lens which is thicker in the middle and thinner at the edges is called convex lens concave lens the lens which is thinner in the middle and thicker at the edges.

2.Convex lens converge the light when passed through it and concave lens diverge the light when passed through it.