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Why sky aapears to be blue?

Answer» Sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight.
it is the phenoma of scrattring of light . Read pg 195 of NCERT for moree info
Due to refraction of sunlight....


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