Surface tension is 0.072 N/m0.072 \text{ N/m}0.072 N/m. What is this in dyn/cm\text{dyn/cm}dyn/cm (1 N=105 dyn,1 m=100 cm1 \text{ N} = 10^5 \text{ dyn}, 1 \text{ m} = 100 \text{ cm}1 N=105 dyn,1 m=100 cm)?
0.072 dyn/cm0.072 \text{ dyn/cm}0.072 dyn/cm
0.72 dyn/cm0.72 \text{ dyn/cm}0.72 dyn/cm
7.2 dyn/cm7.2 \text{ dyn/cm}7.2 dyn/cm
72 dyn/cm72 \text{ dyn/cm}72 dyn/cm