[LT⁻¹]

[L⁻¹T⁻¹]

[L²T⁻¹]

[LT⁻²]

Zero error

Parallax

Calibration of instrument

Least count of instrument

1000 W

$36 imes {10^5}J$

1000 J

3600 J

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

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

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

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

$n \propto {u^2}$

$n\; \propto u$

$n \propto \sqrt u$

$n \propto \frac{1}{u}$

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

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

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

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

3,600,000 joules

3,600 joules

36,000 joules

360,000 joules

Predicting the exact numerical value of a physical quantity

Checking the correctness of an equation

Deriving relationships between physical quantities

Converting units

Kg C

${\rm{C}}\,{\rm{k}}{{\rm{g}}^{ - 1}}$

${\rm{Kg}}\,{{\rm{C}}^{ - 1}}$

${\rm{k}}{{\rm{g}}^2}{{\rm{C}}^{ - 1}}$

${\rm{T}}{{\rm{J}}^{ - 1}}$

${\rm{J}}{{\rm{T}}^{ - 1}}$

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

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

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

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

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

Mega pascal