<h2><u> </u><u>Radio waves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are all types of electromagnetic radiation. Radio waves have the longest wavelength, and gamma rays have the shortest </u><u>wavelength.Hope</u><u> </u><u>i</u><u> </u><u>help</u><u> </u><u>you</u></h2>