The dimension of $\sqrt{\frac{\mu_0}{\varepsilon_0}}$ is the same as:

The dimensional formula of $\frac{B^2}{2\mu_0}$ is . . . . . . .

Dimensions of charge are

The physical quantity having the dimensions of the square root of the ratio of the kinetic energy and surface tension is

The dimensions of ${e^2}/(4\pi \varepsilon _0 hc)$,where $e, \varepsilon _0, h,$ and $c$ are electronic charge,electric permittivity,Planck's constant,and velocity of light in vacuum respectively,are:

Given that $\int {e^{ax}} dx = a^m e^{ax} + C$,then which statement is incorrect (Dimension of $x = L^1$)?