What islight??????????
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light is the type of energy which by activating the sense of sight of a person helps him/ her to see the object around him or her
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Explanation:
Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that is perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres, between the infrared and the ultraviolet
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