Question

What are some real world applications of prisms forming rainbows ?

Answer 1

A glass pyramid because it is just like a prism and refracts white light into VIBGYOR

Answer 2

The Rainbow Effect is a phenomenon where someone viewing a projected image perceives flashes of color around the image.

Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, separating into its component wavelengths--or colors. When light exits the droplet, it makes a rainbow.