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Which of the following is the reason for the blue appearance of sky?

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Blue light gets absorbed in the atmosphere.

Ultraviolet radiation is 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.

answer is C.

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Detailed Solution

The clear sky appears blue because violet and blue lights get scattered more than lights of all other colours by the atmosphere.
“The sky is blue because of a process known as Rayleigh scattering”.
This scattering is the process whereby electromagnetic energy, of which light is a kind, is reflected or scattered by particles with a much shorter wavelength.
Gases and particles in the earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colours because it travels as shorter waves. Violet and blue have shorter wavelengths as they scatter more than light of another colour by the molecules present in the atmosphere.

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