The unit of potential energy is
$gm\;(cm/{\sec ^2})$
$gm\;{(cm/\sec )^2}$
$gm\;(c{m^2}/\sec )$
$gm\;(cm/\sec )$
Hertz is the unit for
Which of the following is not the unit of energy
The equation $\left( {P + \frac{a}{{{V^2}}}} \right)$ $(V - b)$ constant. The units of $a$ are
The units of modulus of rigidity are
The unit of absolute permittivity is