Colour of the sky


 
 
Concept Explanation
 

Colour of the Sky

Colour of the sky

On a clear, sunny day, the sky looks blue. Sunlight traveling through the atmosphere is scattered by the molecules of gases in the air, water droplets, dust particles, and so on. Of these, the smaller ones (like gas molecules) scatter more of the bluish lights. When the scattered light reaches our eyes, it makes the sky look blue.

Air pollution over cities causes large particles to be present in the air above them. Compared to small particles, these particles scatter lights of other colours better.

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Sample Questions
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Question : 1

Blue color of sky is due to phenomenon of _______________.

Right Option : C
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Question : 2

Why the color of the ocean appears blue ?

Right Option : C
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Question : 3

_________________  over cities causes large particles to be present in the air above them. So, the skies over cities look less blue than over open countryside

Right Option : A
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