Frequency is the following term that describes the rate at which an action is repeated over time.
What is the frequency?
Frequency is the number of waves that pass a fixed distance in unit time.
It is the count of vibrations that completes in the duration of one unit of time.
An example is heartbeats 72 times in one minute. 72 is the frequency of the heart neat in one minute of the time period.
To calculate the frequency, we divide the number of times with the time.
Thus, the correct option is A.
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