# Dimension test

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

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

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