frequency, ν, ω

in photochemistry
https://doi.org/10.1351/goldbook.FT07383
The number of waveperiods per time interval. The linear frequency, ν, is the number of cycles per time interval. SI unit Hz =  s−1.
Note:
For the angular frequency the symbol ω (=2πν) is used with rad s−1 as the SI unit.
See also: frequency
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 345 [Terms] [Paper]
Citation: 'frequency' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.FT07383 RIS BibTex EndNote
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Last revised: February 24, 2014