A) Phase and phase velocity
B) Wavelength, amplitude and phase velocity
C) Wavelength, amplitude and frequency
D) Wavelength and phase
Correct Answer: B
Solution :
Because in general phase velocity = wave velocity. But in case of complex waves (many waves together) phase velocity \[\ne \] wave velocity. \[\therefore \] If two waves have same \[\lambda ,v;\] then they have same frequency too
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