Fact 1: Arainbow is formed by refraction of light by separating light into all different colors.

Fact 2: Color is the same as wavelength .

Given the two facts above, answer the question "What is formed by refraction of light by separating light into all different wavelengths?" with the following options: 
- an object
 - bushes
 - a prism
 - a rainbow
 - a cloud
 - heterotrophs
 - a mirror
 - photons


 

    a rainbow     