Question

what is convex lens​

Answer 1

hey buddy,

here is your ans

A convex lens is a converging lens. When parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus. The distance between the principal focus and the centre of the lens is called the focal length.

hope it helps you

Answer 2

the lens whose both refracting surface are spherical such that it is thick in the middle and thin at the edges