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A wave packet with angular frequency ome...

A wave packet with angular frequency `omega_0` is propagating in dispersive medium with phase velocity of `1.5xx10^3m//s`. When the frequency is increased by `2%`, the phase velocity is found to decrease by `3%` what is the group velocity of the wave packet?

A

`0.25xx10^3m//s`

B

`1.0xx10^3m//s`

C

`0.6xx10^3m//s`

D

`0.75xx10^3m//s`

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