A circular frame made of 20 cm long thin wire is floating on the surface of water. If the surface tension of water is 70 dyne/cm. the required excess force to separate this frame from water will be :

A circular frame made of 20 cm long thin wire is floating on the surfa

1.	A circular frame made of 20 cm long thin wire is floating on the surface of water. If the surface tension of water is 70 dyne/cm. the required excess force to separate this frame from water will be :
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/2800-1833959" style="font-weight:bold;" target="_blank" title="Click to know more about 2800">2800</a> dyne<br/>800 dyne<br/>280 dyne<br/>1800 dyne</p>Answer :A</body></html>