Question

what acts as tiny prism in the formation of a rainbow​

Answer 1

Answer:

It's the water droplets present in the air after Rai which acts as a prrism in the formation of a rainbow...

hope my answer helped u..

Answer 2

Each individual of water acts as a tiny prism that both disperses the light and reflects it back to your eye. Formation of a rainbow is one of the best possible example of Dispersion of white light in to spectrum (Seven Colours-VIBGYOR). This phenomenon usually appears just after rain.