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प्रश्न
What is the reason for reddish appearance of sky during sunset and sunrise?
थोडक्यात उत्तर
उत्तर
- During sunrise or sunset, the sun is near the horizon. Sunlight has to travel a greater distance.
- So shorter waves of blue region are scattered away by the atmosphere. Red waves of longer wavelength are least scattered and reach the observer. So the sun appears red.
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