The equation $\left( {P + \frac{a}{{{V^2}}}} \right)$ $(V - b)$ constant. The units of $a$ are
$Dyne \times c{m^5}$
$Dyne \times c{m^4}$
$Dyne/c{m^3}$
$Dyne/c{m^2}$
The damping force on an oscillator is directly proportional to the velocity.The units of the constant of proportionality are
If ${E}$ and ${H}$ represents the intensity of electric field and magnetising field respectively, then the unit of $E/H$ will be :
If $x = at + b{t^2}$, where $x$ is the distance travelled by the body in kilometres while $t$ is the time in seconds, then the units of $b$ are
Which of the following is unitless quantity ?
Electron volt is a unit of