Which phenomenon explains why the sky appears blue?
A
Scattering of blue light by atmospheric molecules
B
Reflection of ocean colour
C
Absorption of blue light by clouds
D
Refraction through ice crystals
Correct Answer: Option A — Scattering of blue light by atmospheric molecules
Explanation:
The sky appears blue due to Rayleigh scattering where shorter blue wavelengths of sunlight are scattered more strongly by atmospheric gas mo...
The sky appears blue due to Rayleigh scattering where shorter blue wavelengths of sunlight are scattered more strongly by atmospheric gas molecules than longer wavelength red light.