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Question
What is the difference in colours of the Sun observed during sunrise/sunset and noon? Give explanation for each.
Solution
During sunrise/sunset, the sun looks reddish because, at this stage, Sunrays travel longer distance in the atmosphere and the red light having the largest wavelength is scattered the least. During noon, the sun is directly overhead and sunlight travels relatively shorter distance and almost all colours of light are scattered equally. Thus, the sun appears white at noon.
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