Question

The process which helps in 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

$\textbf{Refraction }$ is that process which actually helps in formation of rainbow.

$\textbf{More description is in Attachement }$