An air bubble of radius r in water is at a depth h below the water surface at some instant. If P is atmospheric pressure, d and T are density and surface tension of water respectively, the pressure inside the bubble will be:
A
P + h dg – 
B
P + h dg + 
C
P + h dg – 
D
P + h dg + 
Text Solution
Verified by ExpertsThe correct answer is:
B
P inside bubble – P A = 
and P A = P atm + dgh.
P inside bubble = P + dgh + 
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