Consider a spherical drop of liquid having radius R . Assume a diamet – McqOptions

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1.	Consider a spherical drop of liquid having radius R . Assume a diametric cross-section which divides the drop into two hemispheres. The hemispheres pull each other due to surface tension along the circumference of the diametrical cross-section. What is the value of this force?
A.	2 RS
B.	R<sup>2</sup> S
C.	2RS
D.	0
Answer» B. R<sup>2</sup> S

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