Question

what is scatterting of light ?ehy do the colour of clear sky appear blue? explain?

Answer 1

Scattering of light------>
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When light passes from one medium to any other medium say air, glass or water then a part of the light is absorbed by particles of the medium preceded by its subsequent radiation in a particular direction. This phenomenon is termed as Scattering of light...

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The molecules of air and other fine particles present in the atmosphere have size smaller than the wavelength of visible light.These are more effective in scattering light of shorter wavelengths at the blue end than light of longer wavelengths at the red end. Thus when sunlight passes through the atmosphere, the fine paricles in air scatter blue colour more strongly than red. These scattered light reaches our eyes and we see the sky blue...