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Hertz.

 

 

Hertz – unit of frequency of periodic processes (e.g., fluctuations) in the International system of units (SI). Has the Russian designation – Hz and international designation – Hz.

 

Hertz as a unit of measurement

The application of Hertz

The representation of Hertz in the other units of the formulas

Translation of Hertz to other units

Multiple and fractional units of Hertz

Interesting examples

Other units of measurement

 



Hertz as unit of measure:

Hertz – unit of frequency of periodic processes (e.g., fluctuations) in the International system of units (SI), named after the German physicist Heinrich Hertz. Hertz as the unit of measurement is the Russian designation – Hz and international designation – Hz.

1 Hz means one execution (implementation) of any process (e.g., vibrations) in one second. 10 Hz — ten performances of such a process, or ten oscillations per second.

Hz = s−1.

1 Hz = 1 s−1.

In the International system of units, Hertz introduced the decision of the XI General conference on weights and measures in 1960, simultaneously with the adoption of the SI as a whole. In accordance with the rules SI, and relating the derived units are named for scientists, the name of the unit “Hertz” is spelled with a lowercase letter, and its symbol is capitalized (Hz). Such writing of the designation is stored in the symbols for derived units formed by using Hertz.

Unit, inverse Hertz, is the period of oscillation, measured in seconds or other time units.

 


The application of Hertz:

Measured in Hertz the frequency of the periodic processes, such as oscillations.

Similar to the Hertz is the unit of measurement is the Becquerel. Becquerel the same Herz. It is also measured in s−1 and equal second in minus first degrees. The difference between them lies in the applications. Since it is assumed that the Becquerel is used to measure the activity of a radioactive source, measurement of random processes of decay of radionuclides. Hertz is used only for measurement of periodic processes.

 

The representation of Hertz in other units – of the formula:

Through the basic and derived SI units Hertz is expressed as follows:

Hz = s−1

where C is the second.

 

Multiple and fractional units of Hertz:

Multiple and sub-multiple units are formed using standard prefixes of the SI.

Multiple Dolny
value name marking value name marking
101 Hz deigert dagc daHz 10-1 Hz dechert tens of Hz dHz
102 Hz gestoert GHz hHz 10-2 Hz integers sgts cHz
103 Hz kHz kHz kHz 10-3 Hz millihertz MHz mHz
106 Hz megahertz MHz MHz 10-6 Hz microhertz µhz µHz
109 Hz gigahertz GHz GHz 10-9 Hz nanohertz nGC nHz
1012 Hz terahertz THz THz 10-12 Hz pichers Pgts pHz
1015 Hz petahertz Pgts PHz 10-15 Hz femtosec FGC fHz
1018 Hz exahertz AGC EHz 10-18 Hz integers agts aHz
1021 Hz settlers Zgts ZHz 10-21 Hz saegert zgts zHz
1024 Hz yottahertz Igts YHz 10-24 Hz octoher igts yHz

 

Interesting examples:

A person is able to hear the sound, frequency of which ranges from 16 Hz to 20 kHz.

Man is able to see electromagnetic waves (i.e. visible radiation, light), the frequency of oscillation of which lies in the range from 3.9⋅1014 7.9⋅1014 Hz.

Infrared radiation has a frequency in the range from 3.0 1011 Hz to 4.3 x 1014 Hz.

Ultraviolet radiation has a frequency in the range from 7.5 x 1014 to 3 x 1016 Hz.

Infrasound (sound waves below the frequencies perceived by the human ear) is the oscillation frequency from 0.001 Hz to 16 Hz.

The human heart in a quiet state beats with a frequency of approximately 1 Hz.

The frequency of the electromagnetic radiation used in microwave ovens for heating foods, usually equal to 2.45⋅109 Hz.

 

Source: https://ru.wikipedia.org/wiki/Герц_(mil)

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