The equation $\left( {P + \frac{a}{{{V^2}}}} \right)$ $(V - b)$ constant. The units of $a$ are

  • A

    $Dyne \times c{m^5}$

  • B

    $Dyne \times c{m^4}$

  • C

    $Dyne/c{m^3}$

  • D

    $Dyne/c{m^2}$

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