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Why are shadows always black?

Jul 17, 2015 11:57 IST

    Q. Why are shadows always black?

    Ans. Shadows are formed when the path of light gets obstructed by an object, i.e., when light can’t make its way past the obstruction. Which means, there is no light to be reflected by the surface on the other side of the object, hence our eyes don’t receive any light reflected from that surface. Therefore, the shadow appears black due to the absence of light needed for reflection.

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