Blue color of sky is due to:

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Dispersion of light

Scattering of light

Reflection of light

Refraction of light

answer is B.

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Detailed Solution

Concept: The diapason has lots of shafts that are infrared shaft, ultraviolet shaft,x-ray, visible shaft, micro shaft, radio shaft, gamma- shaft. If we arrange those shafts in order of wavelength also the order will be gamma- shaft shaft< visible shaft< infrared shaft< micro shaft< radio shaft
And the frequency order will be the contrary of this order.
gamma- shaft>x-ray> ultraviolet shaft> visible shaft> infrared shaft> micro shaft> radio shaft
In those shafts only visible shafts we can see because visible shafts have color.
Visible shafts have seven colors that are present in it which are red, violet, green, orange, indigo, blue, and unheroic.
The wavelength order of those 7 colors are violet< indigo< blue< herbage< yellow< orange< red
and frequency order of those colors would be violet> indigo> blue> green> unheroic> orange> red .
In the sky, the colors which have high frequency will scatter further because violet, indigo, and blue have a high frequency so that colors scatter more in the sky and all those colors look like blue that is why the sky looks blue.
Hence, the correct option is 2.

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