Question

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

Explanation:

The electromagnetic spectrum ranges from radio waves with long - wavelengths to gamma rays with short - wavelengths. Radio waves have the longest wavelengths among the options given, with wavelengths ranging from about 1 millimeter to hundreds of kilometers. Infrared light has shorter wavelengths than radio waves, and ultraviolet light and gamma rays have even shorter wavelengths.

Answer:

A. radio waves