The pressure inside a soap bubble of 50 mm diameter is 25 N/m2 above – McqOptions

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1.	The pressure inside a soap bubble of 50 mm diameter is 25 N/m2 above atmospheric pressure. The surface tension in soap film would be
A.	0.156 N/m
B.	0.312 N/m
C.	0.624 N/m
D.	0.078 N/m
Answer» B. 0.312 N/m

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