# Dimension test

**Classical Mechanics**Level 3

\[\rho = \dfrac{RT}{V-b}e^{-\dfrac{aV}{RT}}\]

In the above Ideal Gas Equation ,

\(V\) is the volume.

\(\rho\) is the pressure.

\(T\) is the temperature of gas.

R is a physical constant called Universal Gas Constant.

Then the dimensions of the quantity \((ab)\) are same as that of