Question

Why is sky blue? Plz reply at the earliest!

Answer 1

Blue appearance of sky: Whwn sunlight passes through the atmosphere of the earth, then it is scattered by the atoms of the medium.Violet and blue colours have the least wavelength. Therefore, the scattering of violet and blue is maximum. When we look, towards the sky, this scattered light reaches in our eye.A lthough violet is scattered more than blue colour but our eyes are more sensitive to blue colour. That is why sky appears blue.
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Answer 2

the blue color of the sky

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The color of the sky is due to the property of dispersion of light the white light of the color before reaching the earth's surface gets dispersed into its 7 components VIBGYOR the molecules present in the atmosphere are capable of scattering only the light with the shortest wavelength and hence red light won't get scattered

As the light that we get from sun is white in color and due to atmospheric refraction splitting up of white light takes place and the light with the longest wavelength gets lost in the space and blue and violet has the shortest wavelength but the intensity of blue will be much more than that of violet which makes us see the sky blue in color and our eyes are more sensitive to blue light