" (ii) Why is the sky blue? "

Why is the clear sky blue ?

(i) Differentiate convex lens and concave lens. (ii) Why does the sky appear in blue colour?

Which one of the following is not a statement? a)It is not that the sky is blue b)Is the sky blue? c)The sky is blue d)The sky is dark in the night

Why does the sky appear blue?

Why does the sky appear blue?

Why does the sky appear blue on a clear day ?