Question

What is lens ? how many type of lens say in your own words please please​

Answer 1

Answer:

Lens is a spherical or curved transparent material generally glass piece that refracts lights. There are two types of lenses:

Convex lens

Concave lens

Answer 2

What is lens?

-» A piece of transparent substance usually a type of glass. There are 2 types of lenses

Convex lenses and Concave lenses