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CBSE Class 10 Answered

Why does the bluish colour predominate in a clear sky?
Asked by rushabhjain.av | 20 Mar, 2019, 06:35: AM
answered-by-expert Expert Answer

As the light from the sun travels through the atmosphere, it gets scattered in different direction by the air molecules present in its path. The blue(or violet) light due to its short wavelength is scattered more as compared to the red light of long wavelength. Thus light reaching our eye directly from the sun is rich in red colour while the light reaching our eye from all other direction of sun is the scattered blue light. Therefore, the sky in direction other than the direction of sun is seen blue. 

Answered by Shiwani Sawant | 20 Mar, 2019, 01:04: PM

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