The hertz (or Hz) is a unit of frequency, where one hertz was equal to one cycle per second, used to describe ranges of sound and of the electromagnetic spectrum.

Used in applications Edit

Sound Edit

Electromagnetic spectrum Edit

Megahertz = 1 million hertz
USS Enterprise-D shield data

Display showing the shield modulation of 257.4 megahertz

Gigahertz = 1 billion hertz
Terahertz = 1 trillion hertz

External linkEdit

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