The volume of an air bubble becomes three times as it rises from the b – McqOptions

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1.	The volume of an air bubble becomes three times as it rises from the bottom of a lake to its surface. Assuming atmospheric pressure to be 75 cm of Hg and the density of water to be 1/10 of the density of mercury, the depth of the lake is [AMU 1995]
A.	5 m
B.	10 m
C.	15 m
D.	20 m
Answer» D. 20 m

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