A) It emits only orange-red light
B) It is hotter at the end of the day
C) Its light has to traverse a thicker atmosphere, therefore other colour get scattered and do not react us
D) It contains more helium in the evening
Correct Answer: C
Solution :[c] In the mornings and evenings, when the sun is near the horizon, the rays have to travel longer path in the atmosphere to reach us than it does in the noon. The dust, smoke and water vapour present in the atmosphere scatter away these colours differently. Violet, indigo and blue are scattered most and red and orange are scattered least. That is why most of these two colours reach our eyes. As a result, the rising and setting sun appears deep orange-red.
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