What characteristic property of light is responsible for the blue colour of the sky?

Interference

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Diffraction

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Scattering

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Dispersion

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Solution

The correct option is C Scattering
In a clear cloudless day–time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colors because the blue light has been scattered out and away from the line of sight.

Hence, scattering is the characteristic property of light which is responsible for the blue color of the sky.

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