MCQ
A thin ring of diameter $8 \mathrm{~cm}$ is pulled out of water (surface tension $0.07 \mathrm{~N} / \mathrm{m}$ ). The force required to break free the ring from water is
- A$0.0088 \mathrm{~N}$
- B$0.0176 \mathrm{~N}$
- ✓$0.0352 \mathrm{~N}$
- D$3.52 \mathrm{~N}$.
