The dimensions $\left[ MLT ^{-2} A ^{-2}\right]$ belong to the :

The dimensions of  ${\left( {{\mu _0}{\varepsilon _0}} \right)^{ - \frac{1}{2}}}$ are

If $G$ is universal gravitation constant and $g$ is acceleration due to gravity, then dimensions of $\frac{G}{g}$ will be ...................

Which of the following physical quantities do not have same dimensions?

The dimensional formula for Planck's constant $(h)$ is

The dimensional formula of latent heat is: