Why does sun appear red at sunrise and sunset?

CBSE Class 12 Physics 2016 Outside Delhi Set 1 Paper

Question : 4 of 26

Marks: +1, -0

Solution:

It is due to least scattering of red light as it has the longest wavelength.
As per Rayleigh's scattering, the amount of light scattered ∝‌

λ4

Go to Question:

Prev Question

Next Question