Question

why shadow r in black colour
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Answer 1

Answer:

Usually, the shadow is of the black colour because it is formed by the white light from the sun. Black is the opposite colour of white. In case you use different colour of light to cast a shadow you will get a shadow of opposite colour of light used to cast shadow

Answer 2

Answer:

shadow have black colour because if we can stand in the path of light then the light is fully covered by us and that place where light does not reach it becomes shadow so where light does not reach it appears in black colour