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Question

A piece of white paper appears white in sunlight because:

A
It absorbs red colour
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B
It reflects light of all colours
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C
It reflects only red colour
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D
It absorbs all colours
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Solution

The correct option is B It reflects light of all colours
The colour of an object is the colour it reflects back to the observer's eye.
A white paper reflects all the colours of light that falls on it. Sunlight is a mixture of all the colours, the white paper reflects all the colours to the observer's eye and appears white.

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