Question

Why does sky appear blue on a clear day?​

Answer 1

Why is the sky blue?

A clear cloudless day-time 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.

Answer 2

Answer:

blue light is scattered in all directions by the tiny molecules of air in the earth atmosphere .blue scattered more than the other colours because it travels shorter, smaller waves .this is the sky apper blue on a clear day

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