Question

why is sky blue in colour

Answer 1

A clear cloudless day-time sky is bluebecause molecules in the air scatterblue 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 bluelight has been scattered out and away from the line of sight........

hope it's helpful....
by VIVEK RAGHUWANSHI....

Answer 2

in air there is presence of major share nitrogen and oxygen in air
when the white light of sun rays enters it reflects
the nitrogen and oxygen wavelength equal to blue colour
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