Question

what is lens? types of lens?​

Answer 1

Explanation:

• A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. Lenses are made from materials such as glass or plastic, and are ground and polished or molded to a desired shape. A lens can focus light to form an image, unlike a prism, which refracts light without focusing.

• The two main types of lenses are: Convex Lens (Converging) Concave Lens (Diverging)

Answer 2

Answer:

A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. ... Lenses are made from materials such as glass or plastic, and are ground and polished or molded to a desired shape. A lens can focus light to form an image, unlike a prism, which refracts light without focusing.