Question 11:
Why does the Sun appear reddish early in the morning?
Answer:
During sunrise, the light rays coming from the Sun have to travel a greater distance
in the earth’s atmosphere before reaching our eyes. In this journey, the shorter
wavelengths of lights are scattered out and only longer wavelengths are able to
reach our eyes. Since blue colour has a shorter wavelength and red colour has a
longer wavelength, the red colour is able to reach our eyes after the atmospheric
scattering of light.Therefore, the Sun appears reddish early in the morning.
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