In the relation $P = \frac{\alpha}{\beta} e^{-\frac{\alpha Z}{k\theta}}$,$P$ is pressure,$Z$ is distance,$k$ is Boltzmann constant,and $\theta$ is temperature. The dimensional formula of $\beta$ is:

  • A
    $[M^0 L^2 T^0]$
  • B
    $[M^1 L^2 T^1]$
  • C
    $[M^1 L^0 T^{-1}]$
  • D
    $[M^0 L^2 T^{-1}]$

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