The force of interaction between two atoms is given by $F = \alpha \beta \exp \left( - \frac{x^2}{\alpha kt} \right)$,where $x$ is the distance,$k$ is the Boltzmann constant,$T$ is temperature,and $\alpha$ and $\beta$ are two constants. The dimension of $\beta$ is:

  • A
    $M^0L^2T^{-4}$
  • B
    $M^2LT^{-4}$
  • C
    $MLT^{-2}$
  • D
    $M^2L^2T^{-2}$

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