Which phenomenon explains why the sky appears blue during the day?
A
Reflection
B
Refraction
C
Diffraction
D
Scattering
Correct Answer: Option D — Scattering
Explanation:
The sky appears blue due to Rayleigh scattering, where shorter blue wavelengths of sunlight are scattered more strongly by gas molecules in ...
The sky appears blue due to Rayleigh scattering, where shorter blue wavelengths of sunlight are scattered more strongly by gas molecules in the atmosphere than longer wavelengths like red, spreading blue light across the sky.