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A bubble of gas released at the bottom...

A bubble of gas released at the bottom of a lake increases to four times its original volume when it reaches the surface. Assuming that atmospheric pressure is equivalent to the pressure exerted by a column of water 10 m high, what is the depth of the lake?

A

20 m

B

10 m

C

30 m

D

40 m

Text Solution

Verified by Experts

The correct Answer is:
c
(C)
`P_(1)V_(1)=P_(2)V_(2)`
`Pxx4V=P(1+(h)/(10))V`
`4=1+(h)/(10)`
`h=30m `
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