Question

Define frequency and SI unit .........

Answer 1

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I am here with your answer!

Frequency is the number of occurrences of a repeating event per unit of time. It is also referred to as temporal frequency, which emphasizes the contrast to spatial frequency and angular frequency. The period is the duration of time of one cycle in a repeating event, so the period is the reciprocal of the frequency.

Its S.I unit is hertz (hz)

Answer 2

frequency is the no of vibration per second

SI unit- hertz