Question

Find the phase velocity and group velocity of a particle moving with velocity 0.9c.​

Answer 1

Phase velocity = 1..11 c

Group Velocity = 0.9 c

Explanation:

To calculate the phase velocity following formula will be used:

Vp = c^2/v = c^2/0.9c = 1.11c

The group velocity will be same as given in the question. We can verify it by applying following formula

Group Velocity = C^2/Vp  

By putting the value of Vp we get,

Group Velocity = 0.9c

Answer 2

Answer:

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Explanation:

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