Wave Propagation (Waves)ΒΆ

Wave propagation refers to the transmission of disturbances or oscillations through a medium or through space, carrying energy and momentum without the transport of matter.

Phase velocity is the speed at which a single phase point of a wave travels through space.

Group velocity is the speed at which the overall envelope of a wave packet moves. In dispersive media, phase and group velocities can differ because different frequency components propagate at different speeds.

Links:

  1. Physics LibreTexts β€” Wave Propagation

  2. Wikipedia β€” Phase velocity

  3. Wikipedia β€” Group velocity

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