Question

which of the following is not involved in formation of a rainbow ?​

Answer 1

Answer:

Reflection, refraction, dispersion and total internal reflection are used in formation of rainbow. Therefore, in given options angular deviation are not used in formation of rainbow.

Answer 2

$\huge\bold\color{aqua}{Answer}$

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.