8 kg/$m^3$

80 kg/$m^3$

800 kg/$m^3$

8000 kg/$m^3$

Stress and pressure

Angle and strain

Tension and surface tension

Planck’s constant and angular momentum

$\left[ {{{\rm{M}}^0}{{\rm{L}}^0}{{\rm{T}}^0}{{\rm{A}}^0}} \right]$

$\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^3}{{\rm{T}}^2}{\rm{A}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^3}{{\rm{T}}^{ - 4}}{{\rm{A}}^{ - 2}}} \right]$

$\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^{ - 3}}{{\rm{T}}^4}} \right]$

h/e

${h^2}/e$

$h/{e^2}$

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

${L^2}I$

${L^2}{I^2}$

$L{I^2}$

$\frac{1}{{LI\;}}$

Current density and charge density

Angular momentum and momentum

Spring constant and surface energy

Force and torque

Velocity

Acceleration

Force

Strain

Coefficient of viscosity

Surface tension

Frequency

Impulse

[A]

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

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

None of these

Frequency, angular frequency and angular momentum

Surface tension, stress and spring constant

Acceleration, momentum and retardation

Work, energy and torque

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

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

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

$\frac{h}{e}$