wave number
Noun
Meaning
wave number (plural wave numbers)
Alternative spelling of wavenumber
Hypernyms
Hyponyms
Examples
In a given medium, the frequency is some function ω(k) of the wave number, so in general, the phase velocity and the group velocity depend on the frequency and on the medium.
It is given by : The wave equations are also valid below the cutoff frequency, where the longitudinal wave number is imaginary.