$1.5 imes 10^{12}$ molecules $cm^{-3}$ $\mu s^{-1}$

$2.5 imes 10^{18}$ molecules $cm^{-3}$ $\mu s^{-1}$

$1.5 imes 10^{15}$ molecules $cm^{-3}$ $\mu s^{-1}$

$4.2 imes 10^{20}$ molecules $cm^{-3}$ $\mu s^{-1}$

Work

Energy

Power

Momentum

h/e

${h^2}/e$

$h/{e^2}$

${h^2}{e^2}$

Work and energy

Angle and strain

Relative density and refractive index

Planck constant and energy

[A]

$\left[ {{A^2}} \right]$

$\left[ {{A^{ - 1}}} \right]$

None of these

Current density and charge density

Angular momentum and momentum

Spring constant and surface energy

Force and torque

Angular momentum and Planck’s constant

Impulse and momentum

Moment of inertia and moment of a force

Work and torque

$\frac{{{h^2}}}{{{e^2}}}$

$\frac{{{h^2}}}{e}$

$\frac{h}{{{e^2}}}$

$\frac{h}{e}$

Power

Work

Torque

Energy

Linear momentum and moment of a force

Planck’s constant and angular momentum

Pressure and modulus of electricity

Torque and potential energy

Work and energy

Angle and strain

Relative density and refractive index

Planck constant and energy