Why does clear sky appear blue ?

Options

A. blue light gets absorbed in the atmosphere
B. ultraviolet radiations are absorbed in the atmosphere
C. violet and blue lights get scattered more than light of all other colours by the atmosphere
D. light of all other colours is scattered more than the violet and blue colour lights by the atmosphere.

Answer

C

Explanation

The clear sky appears blue because violet and blue lights get scattered more than lights of all other colours by the atmosphere. This is primarily bacause the wavelengths of these colours are smaller than those of other colours.