Question

Frequency define the following
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Answer 1

The number of times something happens in a particular period.

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Answer 2

Explanation:

In the most general sense, frequency is defined as the number of times an event occurs per unit of time. In physics and chemistry, the term frequency is most often applied to waves, including light, sound, and radio. Frequency is the number of times a point on a wave passes a fixed reference point in one second.