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Question

What would be colour of shadow of white chalk produced by a source of red light?

A

Black
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B

White
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C

Red
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D

Grey
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Solution

The correct option is A
Black
The shadows formed are always dark (black) in colour irrespective of the colour of the object or colour of light falling on the object.
So, the shadow formed when red light falls on a white chalk will be black in color.

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