Which of the following is not represented in correct unit
$\frac{{{\rm{Stress}}}}{{{\rm{Strain}}}} = N/{m^2}$
Surface tension =$N/m$
Energy $ = kg{\rm{ - }}m/\sec $
Pressure $ = N/{m^2}$
Which of the following is not represented in correct unit
Unit of energy will be $kg{\rm{ - }}{m^2}/{\sec ^2}$