$A$ transverse wave is described by the equation $y = A \sin [2\pi (f t - x/\lambda ) ]$. The maximum particle velocity is equal to four times the wave velocity if:

  • A
    $\lambda = \pi A/4$
  • B
    $\lambda = \pi A/2$
  • C
    $\lambda = \pi A$
  • D
    $\lambda = 2\pi A$

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