Question

what is lens ?what are the uses of lens?​

Answer 1

Answer:

A lens is a transparent refracting medium bounded either by two spherical surfaces or one surface spherical and other plane.

Explanation:

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Answer 2

Answer => A lens can focus light to form an image, unlike a prism, which refracts light without focusing. Devices that similarly focus or disperse waves and radiation other than visible light are also called lenses, such as microwave lenses, electron lenses, acoustic lenses, or explosive lenses.