Question

The unit of surface tension in SI system is

• A. $Dyne/cm^{2}$
• B. Newton/m
• C. Dyne/cm
• D. Newton/m²

Answer 1

From the formula of surface tension $T = \frac{F}{l}$

By substituting the S.I. units of force and length, we will get the unit of surface tension = Newton/m