Q. Who explained blue colour of the sky?

A
Christiaan Huygens
B
Issac Newton
C
C. V Raman
D
Rayleigh
Solution:

The blue color of the sky is caused by the scattering of sunlight off the molecules of the atmosphere. This scattering, called Rayleigh scattering, is more effective at short wavelengths (the blue end of the visible spectrum).

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