Question

what Is lens????

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Answer 1

A piece of glass or other transparent material with curved sides for concentrating or dispersing light rays. There are two types of lens 1. convex lens(also called magnifying glass) 2. concave lens

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Answer 2

Answer:

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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.

Explanation:

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