Question

what is the convex lens?

Answer 1

Answer:

An optical lens is generally made up of two spherical surfaces. If those surfaces are bent outwards, the lens is called a biconvex lens or simply convex lens. These types of lenses can converge a beam of light coming from outside and focus it to a point on the other side.

Explanation:

Answer 2

Answer:

a spherical lens whose reflecting surface is curved outwards