Question

why does Sky appear blue on a clear day​

Answer 1

Answer:

You have to first know that Sun gives more light ( colour )but only we feel white light. When Sun light abstract then all seven colour spread and blue colour some scarred or move bit That reason. In simple way you just understood

Answer 2

Answer:

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