Q 12-09-035NEETJEE MainEasy
The blue colour of the clear sky is due to
Answer: (B) scattering of light, which is stronger for shorter wavelengths
Rayleigh scattering varies as $\dfrac{1}{\lambda^4}$, so blue light is scattered much more than red and reaches us from all parts of the sky.
Solution by Sreeraj P, M.Sc Physics