Question

Cell phones and televisions use this type of EM wave. It has the longest wavelength with the lowest frequency.

A. microwaves

B. tv waves

C. gamma waves

D. tidal waves

Answer 1

Tv Waves

as gamma waves are dangerous to humans, tidal waves are unrelated and microwaves are used to create an exothermic reaction

Answer 2

radio waves

Step-by-step explanation:

On the far left of the diagram are radio waves, which include microwaves. They have the longest wavelengths and lowest frequencies of all electromagnetic waves. They also have the least amount of energy.