Lesson: Electromagnetic Waves for Communication Physics
In this lesson, we will learn how to describe the application of different types of electromagnetic waves to various communications technologies.
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?