# SI Unit of Frequency is __________

By K Balaji|Updated : October 6th, 2022
1. Diopter
2. Watt
3. Hertz
4. Decibel

SI unit of frequency is hertz. The frequency of a sound wave is the rate of vibrations per second that it experiences.

### SI Unit of Frequency

• F or v are used to indicate it.
• Hertz is the SI unit for frequency (Hz).
• The accepted unit for calculating a wave's frequency is Hertz.
• The cycles per second is equivalent to one Hertz.
• The frequency of a repeated event is its number of instances per unit time.
• It is known as temporal frequency, emphasising the distinction between angular frequency and spatial frequency.
• The unit of frequency measurement is hertz, or one repetition of a repeating event per second.
• f = 1/T, is the formula for frequency where f = frequency and T = period.
• If the frequency is in periodic motion, it undergoes one cycle after passing through a series of positions or events and returns to its original state.
• The frequency is equal to the reciprocal of the time period of the wave.

Other units of physical Quantity

Force - Newton

Length - meter

Frequency - Hertz

Velocity - m/sec

Time - sec

Mass - kilogram

Lens - diopter

Sound - decibel

Summary:-

## SI Unit of Frequency is __________ 1. diopter 2. watt 3. hertz 4. decibel

Hertz is the SI unit of frequency. The rate of vibrations per second it experiences is the frequency.

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