The dimensions of surface tension are

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The dimensions of surface tension are

A

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

B

$ML{T^{ - 2}}$

C

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

D

$M{T^{ - 2}}$
The dimensions of surface tension are
Surface tension = $\frac{{{\rm{Force}}}}{{{\rm{Length}}}} = \frac{{[ML{T^{ - 2}}]}}{L} = [M{T^{ - 2}}]$