Question

question 29 of 33
which type of wave carries the information in a text message from a cell phone?
a. microwave
b. radio
c. infrared
d. ultraviolet

Explanation:

Cell - phones use radio waves to transmit text - message information. Radio waves are a type of electromagnetic wave that can travel long distances and are suitable for wireless communication. Microwaves are used for cooking and some short - range communication like Wi - Fi in some cases. Infrared is mainly used for short - range applications like remote controls. Ultraviolet is harmful radiation and not used for mobile communication.

Answer:

B. Radio