5 x 10^-9 m

5 x 10^-7 m

5 x 10^7 m

5 x 10^9 m

Torque and work

Momentum and Planck’s constant

Stress and Young’s modules

Speed and ${\left( {{{\rm{\mu }}_0}{{\rm{\varepsilon }}_0}} \right)^{ - 1/2}}$

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}\;} \right]$

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

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

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

Force

Pressure

Work

$\frac{1}{{{\rm{Pressure}}}}$

[A]

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

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

None of these

$M{L^2}{T^{ - 2}}{K^{ - 1}}$

$ML{T^{ - 3}}{K^{ - 1}}$

$ML{T^{ - 2}}{K^{ - 1}}$

$ML{T^{ - 3}}K$

Work and energy

Angle and strain

Relative density and refractive index

Planck constant and energy

$\left[ {{M^0}{L^0}{T^{ - 1}}Q} \right]$

$\left[ {M{L^2}{T^{ - 1}}Q} \right]$

$\left[ {{M^2}L{T^{ - 1}}Q} \right]$

$\left[ {{M^2}{L^2}{T^{ - 1}}Q} \right]$

Current density and charge density

Angular momentum and momentum

Spring constant and surface energy

Force and torque

$M{T^{ - 3}}{K^{ - 4}}$

$M{L^2}{T^{ - 2}}{K^{ - 4}}$

$M{L^2}{T^{ - 2}}$

$M{T^{ - 2}}{L^0}$

1/√(LC)

R/L

1/RC

1/√(LC), R/L and 1/RC