Inverse second: Difference between revisions

Revision as of 19:23, 12 May 2023

Revision as of 19:24, 12 May 2023

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{{Short description|A unit of frequency}}

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

* [[hertz]] (Hz) – the SI unit for [[frequency]]

* [[becquerel]] (Bq) – the SI unit for the rate of occurrence of aperiodic or stochastic [[radioactivity|radionuclide]] events

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It is also related to [[radian per second]] (rad⋅s⁻¹), the SI unit for [[angular frequency]] and [[angular velocity]].

The '''inverse minute''' or '''reciprocal minute''' ('''min⁻¹'''), also called '''''per minute''''', is 60^-1 s⁻¹, as 1 min = 60 s; it is used in quantities of type "[[countable quantity|counts]] per minute", such as:

* [[Actions per minute]]

* [[Beats per minute]]