The fundamental physical quantities that have the same dimensions in the dimensional formulae of torque and angular momentum are

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

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

If $\varepsilon_0$ is the permittivity of free space and $E$ is the electric field,then $\varepsilon_0 E^2$ has the dimensions

What is the dimension of Luminous flux?

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: