Why do only some types of light yield rainbows?

it is very well related to a lot of things but with my limited knowledge i can confidently say that the answer is space.

a) electrical > light, sound, and thermal< < < <

) the mechanical energy of the firefighter moving.< < < < a) electrical > light, sound, and thermal< < < <

c) both a and b.

the rearrangement of particles in a physical change. hope this