[[Wave]] [[Speed]], denoted as $v$ or $c$, is how fast a wave travels *in [[Spatial Domain|space]]*. $\huge \frac{\omega}{k} = f \lambda = c$ Where: - $\omega$ - [[Angular Frequency]] in the [[Time Domain]] - $k$ - [[Wavenumber]] - $f$ - [[Frequency]] in the [[Time Domain]] - $\lambda$ - [[Wavelength]]