$1.5 imes 10^{12}$ molecules $cm^{-3}$ $\mu s^{-1}$

$2.5 imes 10^{18}$ molecules $cm^{-3}$ $\mu s^{-1}$

$1.5 imes 10^{15}$ molecules $cm^{-3}$ $\mu s^{-1}$

$4.2 imes 10^{20}$ molecules $cm^{-3}$ $\mu s^{-1}$

Force

Pressure

Work

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

Force

Pressure

Work

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

0.5 L

5 L

50 L

500 L

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

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

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

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

${M^0}{L^0}{T^{ - 1}}$

$ML{T^{ - 1}}$

${M^0}{L^0}{T^1}$

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

Vm

${\rm{Nm}}/{{\rm{C}}^{ - 1}}$

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

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

Newton

kg-m

kg-m/s

Joule

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

$ML{T^{ - 1}}$

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

None of these

[MLT⁻²]

[ML²T⁻²]

[MLT⁻¹]

[ML²T⁻³]

0.01 km

0.1 km

1 km

0.001 km