Question

explain why sky appear blue?

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 looktowards the sun at sunset, we see red and orange colours because the bluelight has been scattered out and away from the line of sight.

Answer 2

sky appear blue because of scattering of light. the light of blue and violet colour is scattered about 16 time more as compared other or red so it appears blue