Question: For the following two waves, the envelopes (representing the group velocity) and the crests and troughs (representing the phase) move differently. A. Please find

For the following two waves, the envelopes (representing the group velocity) and

For the following two waves, the envelopes (representing the group velocity) and the crests and troughs (representing the phase) move differently. A. Please find out which velocity is faster in both case, group or phase. B. In quantum physics which one represents the particle's velocity? (b) (a) ct = 0 ct = 0 ct = T ct = 2n ct = 4x ct = 2n ct = 6r ct = 3n %3D

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