NEET Physics Kinetic Theory of Gases Questions Solved

When an air bubble of radius ‘r’ rises from the bottom to the surface of a lake, its radius becomes 5r/4 (the pressure of the atmosphere is equal to the 10 m height of water column). If the temperature is constant and the surface tension is neglected, the depth of the lake is

1.  3.53 m                   

2.  6.53 m

3.  9.53 m                   

4.  12.53 m

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