The surface tension of a liquid is 70 dyne/cm. In MKS system its value is?

Q. The surface tension of a liquid is 70 dyne/cm. In MKS system its value is?

1. 70 N/m
2. 7 ✕ 10-2 N/m
3. 7 ✕ 102 N/m
4. 7 ✕ 103 N/m

Answer: 7 ✕ 10-2 N/m