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Question

In the absence of atmosphere, the sky appears :

A
coloured
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B
blue
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C
indigo
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D
black
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Solution

The correct option is D black
It would appear black as there is no atmosphere no rays are refracted and hence light would travel in straight line .
It is because of atmosphere the light refracts and reflects and the blue light reaches our eye and hence the sky appears to be in blue.

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