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A sine wave has an amplitude $A$ and wavelength $\lambda$. Let $V$ be the wave velocity and $v$ be the maximum velocity of a particle in the medium. Then 
  • A$V = v\,{\rm{if}}\,\lambda = \frac{{3A}}{{2\pi }}$
  • B$V = v\,{\rm{if}}\,A = 2\pi \lambda $
  • C$V = v\,{\rm{if}}\,A = \frac{\lambda }{{2\pi }}$
  • D$V$ can not be equal to $v$
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