Show that for those waves whose angular frequency o and wave number k obey the dispersionrelation k?c = o + constant, the product of the phase and group velocities is equal to c,Vg0 ph = c, where c is the speed of light.

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Show that for those waves whose angular frequency o and wave number k obey the dispersion relation kc = of + constant, the product of the phase and group velocities is equal to c, VgU ph = c, where c is the speed of light.

Show that for those waves whose angular frequency o and wave number k obey the dispersion relation kc = of + constant, the product of the phase and group velocities is equal to c, VgU ph = c, where c is the speed of light.

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter5: Matter Waves

Section: Chapter Questions

Problem 34P

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Question

Show that for those waves whose angular frequency o and wave number k obey the dispersion
relation k?c = o + constant, the product of the phase and group velocities is equal to c,
Vg0 ph = c, where c is the speed of light.

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