MCQ
What is the dimensional formula of $a b^{-1}$ in the equation $\left(\mathrm{P}+\frac{\mathrm{a}}{\mathrm{V}^2}\right)(\mathrm{V}-\mathrm{b})=\mathrm{RT}$, where letters have their usual meaning.
- A$\left[\mathrm{M}^6 \mathrm{~L}^3 \mathrm{~T}^{-2}\right]$
- ✓$\left[\mathrm{ML}^2 \mathrm{~T}^{-2}\right]$
- C$\left[M^{-1} L^j T^3\right]$
- D$\left[M^6 L^7 T^4\right]$
