Question

Why does sky appear to be blue during the day time and red at the sunset
Acc. to [2] Mark question

Answer 1

Answer:

During day time around afternoon the sun is at a shorter distance from the observer and the blue light scaters all around giveing the blue colour Raman effect.

In the morning and evening the sun is at a farther distance and red light with longer wavelength comes undeflected while other colours scatter off and are not visible.

Answer 2

Answer:

because in day time the sea in blue and reflection of sea in sky is bl7e