Question

why is the colour of the clear sky blue ?

Answer 1

sunlight is made up of seven colours which are called Rainbow colours when the sun light is reflected on the surface of the Earth light is reflected backwhich is blue that is why the sky looks blue in colour

Answer 2

Sunlight is made up of seven colours which are called rainbow colours when the sun light is reflected on the surface of the earth light is reflected back which is blue that is why the sky looks blue in colour.