Q28 of 30 Page 89

How can we explain the reddish appearance of sun at sunrise or sunset? Why does it not appear red at noon?

In sunrise/sunset, light from the Sun near the horizon passes through different thicker layers of air and larger distance is travelled. So, the color of the Sun is reddish because of scattering of light and since Red color has highest wavelength and is scattered least.


Sun doesn’t appears red at noon, because at noon, Sun is at the overhead and travels shorter distance and is therefore white in color.


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