What I light and give its properties
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Light is the thing that which we use it to see an object. Light can travel 300000kmper second
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"Light is that form of energy which produces in the sensation of sight".The study of light is called Optics. Light itself is invisible but makes the object visible when falls on it. Light always travel in a straight line. It casts the shadows of objects when falls on opaque objects. Light shows the phenomenon of refraction, reflection, diffraction, polarrisation.
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