The dimensional formula of angular impulse is:

Dimensions of $\frac{1}{{\mu _0 \varepsilon _0}}$,where symbols have their usual meaning,are:

If $\varepsilon_0$ and $\mu_0$ represent the permittivity and permeability of free space respectively,then the dimension of the product $\varepsilon_0 \mu_0$ is,

The dimensions of Planck's constant and angular momentum are respectively:

Which of the following quantities has the same dimensions as that of energy?

The dimensional formula for $r.m.s.$ (root mean square) velocity is