12 multiple choice 6 points which type of radiation travels at the highest speed? radio visible they all…

Brief Explanations:

Radio, visible light, X - rays, infrared, ultraviolet, gamma rays, and microwaves are all part of the electromagnetic spectrum. In a vacuum, all electromagnetic waves travel at the speed of light, which is approximately $3\times 10^{8}$ m/s.

Answer:

C. They all travel at the same speed.