Find the surface tension in soap bubble of 40 mm diameter when the ins – McqOptions

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1.	Find the surface tension in soap bubble of 40 mm diameter when the inside pressure is 2.5 N/m2 above atmospheric pressure.
A.	0.0064 N/m
B.	0.860 N/m
C.	1.265 N/m
D.	0.0125 N/m
Answer» E.

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