Question

The unit of surface tension is

• A. N-m
• B. N/m
• C. $N-{{m}^{2}}$
• D. N

Answer 1

Answer: (B)

N/m

Answer 2

Unit of surface tension $=\frac{Unit\,\,of\,\,force}{Unit\,\,of\,\,length}$ $S=\frac{F}{l}=\frac{N}{m}$ . Unit of surface tension is $N/m$ .