what is the difference between group velocity and phase velocity ?
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Group velocity: In an anomalous medium, the group velocity is greater than the phase velocity.
Phase velocity: In a normal medium, the phase velocity is greater than the group velocity.
Group velocity: The concept of group velocity is very important when a particle is represented by waves.
Phase velocity: The phase velocity is important when we deal with individual waves.
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velocity is change in displacement with respect to its time and phase velocity is the change in phase with respect to time
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velocity is constant but phase velocity changes
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velocity depends upon distance travelled but phase depends upon initial and final path
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ye tm mjhe phase nd velocity me difference mt batao... phase velocity nd group velocity me answr chahiye
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