Previous year MCQs

UPPSC 2015 GS-I General science
Question

Blue colour of the sky is due to:

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Scattering of light

Detailed Solution:

The correct answer is “Scattering of light”.

The scattering of sunlight by atmospheric particles, like molecules and small particles, is responsible for the blue appearance of the sky. This phenomenon is known as Rayleigh scattering.

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