Phase Velocity

+**Phase Velocity**

+Phase velocity is the speed at which a single point of constant [Phase](/wiki/phase) on a [Wave](/wiki/wave) propagates through space. It reveals how fast a wave's shape moves, often distinct from the speed at which energy or information travels.

+## See also

+- [Group Velocity](/wiki/group_velocity)

+- [Wavelength](/wiki/wavelength)