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What is Phase and Group Velocity of EM Waves about?

The document discusses the phase and group velocities of electromagnetic waves traveling through a dispersive medium, explaining that the phase velocity is the speed at which the peaks of a wave travel while the group velocity is the speed at which the envelope of the combined waves propagates, and it poses several inferences about how the phase and group velocities relate for different frequencies and wavenumbers of the combined waves.

Author

Arun Sr.

Language

EN