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What is the unit for frequency?

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Quick Answer

The unit for frequency in the International System of Units is hertz, which is abbreviated as Hz. One hertz is defined as a frequency of one cycle per second.

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The clock rate of computer central processing units are measured in megahertz or gigahertz, which allow consumers to compare CPU performance. The transmission signals for Wi-Fi and Bluetooth networks are also measured in gigahertz; these network signals are generally in the ranges of 2.4 gigahertz or 5 gigahertz.

Radians per second are used as a unit to measure angular frequency. These units are used to quantify rotational speed, and an angular frequency of 2? radians per second is equal to 1 hertz.

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