When a large bubble rises from the bottom of a lake to the surface, it – McqOptions

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1.	When a large bubble rises from the bottom of a lake to the surface, its radius doubles. If atmospheric pressure is equal to that of column of water height H, then the depth of lake is [AIIMS 1995; AFMC 1997]
A.	H
B.	2H
C.	7H
D.	8H
Answer» D. 8H

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