Question

mention two common uses of lens​

Answer 1

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.

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Explanation:

Answer 2

Answer:

lens is use in spectacle for proper vision of defective person eye.

Explanation:

lens is use to converse the light Ray at a point. in covex HOPE IT WILL HELP U