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

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 1}}} \right]$

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

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

Coefficient of viscosity

Surface tension

Frequency

Impulse

Frequency

Energy

Time period

Current

$M{L^3}{T^{ - 1}}{Q^{ - 2}}$

$M{L^3}{T^{ - 2}}{Q^{ - 1}}$

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

$ML{T^{ - 1}}{Q^{ - 1}}$

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

${M^1}{L^{ - 3}}{T^{ - 2}}$

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

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

$\left[ {{{\rm{M}}^0}{{\rm{L}}^{ - 2}}{\rm{T}}} \right]$

$\left[ {{{\rm{M}}^0}{{\rm{L}}^{ - 2}}{{\rm{T}}^{ - 1}}} \right]$

$\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}} \right]$

$\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{\rm{T}}} \right]$

(1), (2) and (3)

(1), (2) and (4)

(1), (3) and (4)

(2), (3) and (4)

${L^2}I$

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

$L{I^2}$

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

Current density and charge density

Angular momentum and momentum

Spring constant and surface energy

Force and torque

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

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

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

None of these

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

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

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

$\frac{h}{e}$