what is lens ? Please correct answer
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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.
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Answer:
A curved piece of glass that makes things look bigger, clearer etc when you look through it.
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