Q. The surface tension of a liquid is 70 dyne/cm. In MKS system its value is?
- 70 N/m
- 7 ✕ 10-2 N/m
- 7 ✕ 102 N/m
- 7 ✕ 103 N/m
Answer: 7 ✕ 10-2 N/m
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