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

${{\rm{C}}^2}{{\rm{m}}^{ - 2}}{{\rm{N}}^{ - 1}}$

${{\rm{C}}^2}{{\rm{m}}^2}{{\rm{N}}^{ - 1}}$

${{\rm{C}}^{ - 1}}{{\rm{m}}^2}{{\rm{N}}^{ - 2}}$

$T = 2\pi\sqrt{mk}$

$T = 2\pi\sqrt{\frac{m}{k}}$

$T = 2\pi\sqrt{\frac{k}{m}}$

$T = 2\pi\frac{m}{k}$

Predicting the exact numerical value of a physical quantity

Checking the correctness of an equation

Deriving relationships between physical quantities

Converting units

3,600,000 joules

3,600 joules

36,000 joules

360,000 joules

Rotation of earth on its axis

Oscillations of quartz crystal

Vibrations of cesium atom

Earth’s orbital motion around the sun

Length and mass

Mass and time

Length, mass and time

None of these

$v = \sqrt{Tμ}$

$v = \sqrt{\frac{T}{μ}}$

$v = Tμ$

$v = \frac{T}{μ}$

$1 imes {10^{ - 3}}$

$3.6 imes {10^{ - 3}}$

$1 imes {10^{ - 5}}$

$6 imes {10^{ - 4}}$

Ampere - metre{\;^2}

Ampere – metre

$Weber\;--\;metr{e^2}$

Weber/metre

Increased 4 times

Increased 8 times

Increased 16 times

Decreased 16 times

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

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

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

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