Single Answer MCQ
Q-00040376
What is the primary reason for a clear sky appearing blue rather than red?
1
More red particles in the air
2
Higher scattering of longer wavelengths
3
Greater scattering of shorter wavelengths
4
Absorption of red light
Answer and Solution
Answer
C. Greater scattering of shorter wavelengths
Solution:
A clear sky appears blue rather than red because shorter wavelengths (blue) are scattered more effectively than longer wavelengths (red) by air molecules.
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