In $SI\, units$, the dimensions of $\sqrt {\frac{{{ \varepsilon _0}}}{{{\mu _0}}}} $ is
$A{T^{ - 3}}M{L^{3/2}}$
${A^{ - 1}}TM{L^3}$
${A^2}{T^3}{M^{ - 1}}{L^{ - 2}}$
$A{T^2}{M^{ - 1}}{L^{ - 1}}$
Out of the following pair, which one does not have identical dimensions
Identify the pair whose dimensions are equal
The dimensions of Stefan-Boltzmann's constant $\sigma$ can be written in terms of Planck's constant $h$, Boltzmann's constant $k_B$ and the speed of light $c$ as $\sigma=h^\alpha k_B^\beta c^\gamma$. Here,
Which of the two have same dimensions
Which of the following combinations has the dimension of electrical resistance ( ${ \varepsilon _0}$ is the permittivity of vacuum and ${\mu _0}$ is the permeability of vacuum) ?