Does wavelength affect the group velocity of a wave packet?

yellowgold · Nov 2, 2008

What is the relationship wavelength and group velocity in wave packet ? If a wave packet has big wavelength its group velocity bigger or not ?

malawi_glenn · Nov 3, 2008

yellowgold said:

What is the relationship wavelength and group velocity in wave packet ? If a wave packet has big wavelength its group velocity bigger or not ?

If you know the definition of group velocity you can do this by yourself as an exercise. Recall the relation between (de Broigle) wavelength v.s momentum and then you have it.

Does wavelength affect the group velocity of a wave packet?

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