Question

unit test
unit test complete
which part of the electromagnetic spectrum has the longest wavelengths?
radio waves
gamma rays
infrared light
ultraviolet light

Explanation:

The electromagnetic spectrum is ordered by wavelength. Radio waves have the longest wavelengths, followed by microwaves, infrared, visible light, ultraviolet, X - rays, and gamma rays (which have the shortest wavelengths). Gamma rays have very high energy and short wavelengths. Infrared light has shorter wavelengths than radio waves. Ultraviolet light has even shorter wavelengths.

Answer:

radio waves