Lesson: Electromagnetic Waves for CommunicationPhysics
In this lesson, we will learn how to describe the application of different types of electromagnetic waves to various communications technologies.
Sample Question Videos
Worksheet: 10 Questions • 3 Videos
Which of the following statements is not a reason why when visible light is used for communications it must be transmitted through fiber cables rather than through the atmosphere?
Different types of long-wavelength electromagnetic waves, A, B, and C, all used for long distance communication, are shown in the diagram.
Which of the types A, B, and C shows microwaves?
Which of the types A, B, and C shows long-wave radio waves?
Which of the types A, B, and C shows short-wave radio waves?
Which of the following statements most correctly describes how microwave communication signals propagate?