The equation of state of some gases can be expressed as $\left( {P + \frac{a}{{{V^2}}}} \right) = \frac{{b\theta }}{l}$ Where $P$ is the pressure, $V$ the volume, $\theta $ the absolute temperature and $a$ and $b$ are constants. The dimensional formula of $a$ is

  • [AIPMT 1996]
  • A

    $[M{L^5}{T^{ - 2}}]$

  • B

    $[{M^{ - 1}}{L^5}{T^{ 2}}]$

  • C

    $[M{L^{ - 5}}{T^{ - 1}}]$

  • D

    $[M{L^{ 5}}{T^{ 1}}]$

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  • [IIT 2021]