Unit of stress is
$N/m$
$N - m$
$N/{m^2}$
$N - {m^2}$
The units of modulus of rigidity are
Unit of energy is
Which of the following is the unit of specific heat
Express unified atomic mass $\rm {unit}$ in $\rm {kg}$.
The equation $\left( {P + \frac{a}{{{V^2}}}} \right)$ $(V - b)$ constant. The units of $a$ are