0 are constants. For these excitations, the group velocity is less than the phase velocity">
Subhayu Panda posted an Question
August 28, 2022 • 02:22 am 30 points
  • IIT JAM
  • Physics (PH)

The dispersion relation for a certain type of excitation is given by o= ak", where a and a> 0 are constants. for these excitations, the group velocity is less t

The dispersion relation for a certain type of excitation is given by o= Ak", where A and a> 0 are constants. For these excitations, the group velocity is less than the phase velocity when (a) a=1 (b) a= v2 (c)a<1 (d) a22

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