The equation of stationary wave is

$\mathrm{y}=2 \mathrm{a} \sin \left(\frac{2 \pi \mathrm{nt}}{\lambda}\right) \cos \left(\frac{2 \pi \mathrm{x}}{\lambda}\right)$

Which of the following is NOT correct

  • [JEE MAIN 2024]
  • A

    The dimensions of nt is $[L]$

  • B

    The dimensions of $n$ is $\left[\mathrm{LT}^{-1}\right]$

  • C

    The dimensions of $n / \lambda$ is $[T]$

  • D

    The dimensions of $x$ is $[L]$

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  • [IIT 1998]

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  • [JEE MAIN 2021]

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