$A$ scalar quantity is one that

If $e$ is the charge,$V$ is the potential difference,and $T$ is the temperature,then the units of $\frac{eV}{T}$ are the same as that of:

The unit of length convenient on the atomic scale is known as an $\mathring{A}$ and is denoted by $\mathring{A}: 1 \mathring{A} = 10^{-10} \, m$. The size of a hydrogen atom is about $0.5 \mathring{A}$. What is the total atomic volume in $m^{3}$ of a mole of hydrogen atoms?

Which of the following pairs have the same dimensions?

Which of the following pairs of physical quantities does not have the same dimensional formula?

If $F_1$ and $F_2$ are the relative strengths of the gravitational and weak nuclear forces respectively, then $\frac{F_2}{F_1}$ is nearly