Question

formation of rainbow???

Answer 1

A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.

Answer 2

sun light contain 7, colour when the Ray of sun passes through water or prisms the 7 colour come out not only in sunlight.