6. Draw a neat, labelled diagram to represent the reddening of sun at sunrise and sunset.
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(i)
●During sunrise and sunset, the rays have to travel a larger part of the atmosphere because they are very close to the horizon.
● Therefore, light other than red is mostly scattered away. Most of the red light, which is the least scattered, enters our eyes. Hence, the sun and the sky appear red.
see the 1st fig which is attach...
(ii)
●At noon, the sun is overhead in the sky and the light coming from the sun travels a relatively shorter distance through the atmosphere to reach the earth.
● As the light coming from the overhead sun contains almost all its component colours in the right proportion, the sun appears white to us at noon.
see the 2nd fig which is attach...
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