Arainbow is formed by refraction of light by separating light into all different colors, and when the light waves strike a prism, the rays of light refract, or bend, at different angles. Given these facts, what can form a rainbow among the following options:
- salmon
 - A laser
 - streams.
 - A prism
 - A projector
 - A flashlight
 - photons
 - streams


 

    A prism     