Question
In van der Waal equation $\left[ {P + {a \over {{V^2}}}} \right]$ [V $-$ b] = RT; P is pressure, V is volume, R is universal gas constant and T is temperature. The ratio of constants ${a \over b}$ is dimensionally equal to :
In van der Waal equation $\left[ {P + {a \over {{V^2}}}} \right]$ [V $-$ b] = RT; P is pressure, V is volume, R is universal gas constant and T is temperature. The ratio of constants ${a \over b}$ is dimensionally equal to :