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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?

Text Solution

Verified by Experts

The correct Answer is:
30

`P_(1)V_(1) = P_(2)V_(2)`
`P xx 4V = P(1+h/10) V` `4=1+h/10`
h= 30 m
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