411 REFERENCE · Wiktionary
Planck frequency
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
en physics A repeating event that occurs once every Planck time, with a frequency of this frequency is said to be the upper bound for the frequency of an electromagnetic ray or cosmic rays.
See also
en Planck angular frequency
en Planck unit
en eponyms