Question

What do you mean
by lens and also mention its types ?​

Answer 1

Explanation:

hi

A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.

Mark me as brainlist

Answer 2

Explanation:

the lens is a transmissible optical device that focuses or disperses a light beam by means of refraction. a simple lens consists of a single piece of a transparent material, while a compound lens consists of several simple lenses usually arranged along a common axis.