Question

what is a lens??!
what are its types and also write about its uses ​

Answer 1

Explanation:

there are two types of lens

concave lens and convex lens

concave lens is also known as diverging lens

convex lens is also known as converging lens.

Answer 2

Answer:

lens is a transparent curved device that is used to refract light

There r 2 types of lens

concave and convex

concave is used in glasses ,etc

convex is used in camera, etc