Inverse second: Difference between revisions

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The '''inverse second''', '''reciprocal second''', or '''per second''' (s⁻¹) is a unit of [[frequency]], defined as the [[multiplicative inverse]] of the [[second]] (a unit of time). It is [[dimensional analysis|dimensionally]] equivalent to:

* the unit [[Hertzhertz]] – the SI unit for [[cycles per second]]

* the unit [[Becquerelbecquerel]]s – the SI unit for aperiodic or stochastic ''[[radioactivity|radionuclide]]'' events per second

* the unit [[baud]] – the unit for symbol rate over a communication link

* [[Strainstrain rate]] – the velocity gradient (comprising the [[shear rate]] and directional expansion rate) of a fluid or solid

It also provides the [[denominator]] for [[temporal rate]]s, such as that of [[angular frequency]] in [[radians per second]].