Explain why sun appears red at the time of sunrise and sunset
Answers
Answer:
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Explanation:
According to Rayleigh''s law, the intensity of scattered light varies inversely as the fourth power of its wavelength. Sunlight consists of seven colours. Of these, red has the maximum wavelength. 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.
Answer:
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Explanation:
During sunrise and sunset, light have to travel longer distance to reach observer. Loss of energy due to scattering is more for high frequency wave. Longer wavelength wave has minimum loss due scattering, and can travel long distance. Red color has longer wavelength, its intensity reach to the observer is more compare to other colors. Hence the sun appears red during sunrise and sunset.