The frequency at which the plasma oscillation occurs is called the plasma frequency which can be calculated using this simple physics calculator based on electron number density, electronic charge, permittivity of vacuum and mass of electron.

Sine Wave Angular Speed / Frequency Calculator
Enter Frequency (Hz)
Angular Speed (ω): {{angularSpeedResult() | number:0}}

Formula

ω = 2 π f

Where,

ω = Angular Speed

2π =2 x 3.14

f = Frequency