Which of the following types of electromagnetic radiation has the longest wavelength?
A) radio waves
B) ultraviolet radiation
C) infrared radiation
D) microwaves

Question

Quizplus · Accepted Answer

Radio waves have the longest wavelengths among the options given. They have wavelengths ranging from a few millimeters to hundreds of kilometers. In contrast, ultraviolet radiation has shorter wavelengths than visible light and is harmful to living organisms. Infrared radiation has wavelengths longer than visible light but shorter than radio waves. Microwaves have shorter wavelengths than radio waves.

Which of the Following Types of Electromagnetic Radiation Has the Longest