Question

Why sun is red in the morning ,White in the afternoon and pale tint Orange at evening

Answer 1

It is due to visible light spectrum.

Answer 2

$<b>HEY THERE!$



This goes down to the basics of light in physics. We know that light is made up of seven colours and each colour has its own individual wavelength.

Now let's back to the question.

During sunrise and sunset, light has to travel the farthest than during the other parts of the day to reach the human eye. As the distance of travel through the atmosphere increases during dawn and dusk, light is refracted much more than during noon. Thus the colours of the light having shorter wavelengths fade out leaving only the red wavelength that reach our eyes.


You can see that the scattering of light is more when the Sun is near the horizon. As the shorter wavelengths are scattered, only red light is left, as it has the largest wavelength of the seven colours. Thus the sun appears red during sunrise and sunset.

This also results in refraction making the Sun look bigger during the sunset and sunrise than during the noon.

Thanks for the question!

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