Asked by Bella
A wave has angular frequency 34.3 rad/s and wavelength 2.37 m. What is its wave number?
Answers
Answered by
drwls
Wave number is usually defined as
k = 2 pi/(wavelength)
In this case it would be 2.65 m^-1
The angular frequency has nothing to do with it. The wave in question in this case is not electromagnetic because the speed is much too slow, 12.9 m/s.
k = 2 pi/(wavelength)
In this case it would be 2.65 m^-1
The angular frequency has nothing to do with it. The wave in question in this case is not electromagnetic because the speed is much too slow, 12.9 m/s.
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