The difference in pressure (in N/m2) across an air bubble of diameter 0.001 m immersed in water (surface tension = 0.072 N/m) is_____.

The difference in pressure (in N/m2) across an air bubble of diameter

1.	The difference in pressure (in N/m2) across an air bubble of diameter 0.001 m immersed in water (surface tension = 0.072 N/m) is_____.
A.	88 N/m
B.	288 N/m
C.	28 N/m
D.	None of these
Answer» C. 28 N/m

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The difference in pressure (in N/m2) across an air bubble of diameter 0.001 m immersed in water (surface tension = 0.072 N/m) is_____.

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