[L⁻¹T]

[LT⁻¹]

[L⁻¹T⁻¹]

[L⁻²T²]

Predicting the exact numerical value of a physical quantity

Checking the correctness of an equation

Deriving relationships between physical quantities

Converting units

Joule

Watt

Newton

Pascal

Angle

Luminous intensity

Coefficient of friction

Current

Second

Coulomb

Mho

Metre

3,600,000 joules

3,600 joules

36,000 joules

360,000 joules

${\rm{J}}{{\rm{m}}^{ - 2}}{{\rm{s}}^{ - 1}}$

${\rm{J}}{{\rm{m}}^{ - 1}}{{\rm{s}}^{ - 2}}$

${\rm{W}}{{\rm{m}}^{ - 2}}$

${\rm{J}}{{\rm{m}}^{ - 2}}$

Energy

Energy density

Pressure

None of these

1000 W

$36 imes {10^5}J$

1000 J

3600 J

${n_1}{u_1} = {n_2}{u_2}$

${n_1}{u_1} + \;{n_2}{u_2} = 0$

${n_1}{n_2} = {u_1}{u_2}$

$\left( {{n_1} + {u_1}} \right) = \left( {{n_2} + {u_2}} \right)$

${\rm{N}}{{\rm{m}}^{ - 1}}$

${\rm{N}}{{\rm{m}}^{ - 2}}$

${\rm{Dyne\;c}}{{\rm{m}}^{ - 2}}$

Mega pascal