Why does clear sky appear blue ?...

Why does clear sky appear blue ?

Text Solution

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This is because blue/violet colour has least wavelength in the visible region. It is scattered the most ( `because I_(s) prop (1)/(lambda_(4))`, Rayleigh's criterion).

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The clear sky appears blue because

blue light gets easily absorbed in the atmosphere.

blue-violet light gets scattered less than other colours

ue-violet light gets scattered more than light of all other colours by the atmosphere.

ultraviolet radiations are absorbed in the atmosphere.

The clear sky appears blue, because

blue light gets absorbed in the atmosphere

ultraviolet radiations are absorbed in the atmosphere

violet and blue lights get scattered more than lights of all other colours by the atmosphere

light of all other colours is scattered more than the violet and blue colour lights by the atmosphere

Why does earth appear blue-green D from the space?

Due to presence of ozone layer

Due to presence of atmosphere

Due to presence of water and landmass

All of the above