Question

why is rainbow formed? explain the concept breifly

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

When rain and sun occurs at same time. The sun get reflected through the water droplets (just like a prism) and gets split into seven colour called spectrum and rainbow is formed