frequency, ν , ω in photochemistry

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 $ω$ ( $= 2 π ν$ ) is used with $rad s −1$ as the SI unit.

See also: a more general definition of frequency

Source:

PAC, 2007, 79, 293 (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 345

frequency, ,