Frequency = no. of vibrations / time
So, One Hertz (1Hz) is equal to one cycle per second.
- If the period or time interval required to complete one cycle or vibration is 1/2 second, the frequency is 2 per second; if the period is 1/100 of an hour, the frequency is 100 per hour.
- The symbols most often used for frequency are f and the Greek letters nu (ν) and omega (ω).
- Frequency is expressed in the hertz unit, named in honour of the 19th-century German physicist
- one kilohertz (kHz) is 1,000 Hz, and one megahertz (MHz) is 1,000,000 Hz.