The following electromagnetic radiation has a wavelength that is closest to the size of automobile:
A) Radio waves
B) Infrared radiation
C) Visible radiation
D) Ultraviolet radiation

Question

Quizplus · Accepted Answer

Radio waves have wavelengths ranging from about one millimeter to 100 kilometers or more, which means they can be as long as or longer than an automobile. Infrared, visible, and ultraviolet radiations have much shorter wavelengths, typically ranging from about 700 nanometers (infrared) to 400 nanometers (ultraviolet), far too small to compare to the size of an automobile.

The Following Electromagnetic Radiation Has a Wavelength That Is Closest