9
Question
The sun appears red during sunrise and sunset and not blue because of following reasons:
The sun appears red during sunrise and sunset and not blue because of following reasons:
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Solution
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A Blue light undergoes more scattering
D Red light has greater wavelength
Scattering of light depends on the wavelength. Lower wavelengths of light (like blue) are scattered more as compared to the higher wavelengths (like red).
During sunrise and sunset, light has to travel larger distance from horizon and most of the blue light is scattered away and light consists primarily of red light. So, the sun appears red during the time of sunset and sunrise.
A Blue light undergoes more scattering
D Red light has greater wavelength
Scattering of light depends on the wavelength. Lower wavelengths of light (like blue) are scattered more as compared to the higher wavelengths (like red).
During sunrise and sunset, light has to travel larger distance from horizon and most of the blue light is scattered away and light consists primarily of red light. So, the sun appears red during the time of sunset and sunrise.
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