Question

Define frequency.

Answer 1

Frequency

1. Frequency of a wave is defined as the number of vibrations in unit time.
2. Frequency is denoted by f.
3. SI unit of frequency is Hertz (Hz).
4. Other units are s^-1, cycles/second, revolutions/second, rotations/second.
5. $Frequency,f=\frac{1}{T}$, where T is the time period of vibration