When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is
A
Reflection of light
B
Refraction of light
C
Dispersion of light
D
Scattering of light
Correct Answer: Scattering of light
The red colour in the sky at sunset (and sunrise) is due to an effect called Rayleigh scattering. There is a similar form of scattering called Mie scattering which is responsible for the white colour of clouds.