The bubble of a gas released at the bottom of alake increases to eight 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 height, the depth of the lake is

The bubble of a gas released at the bottom of alake increases to eight

1.	The bubble of a gas released at the bottom of alake increases to eight 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 height, the depth of the lake is
Answer» 80 m 90 m 40 m 70 m Answer :D