14. When an air bubble of radius rrises from the bottom to the surfaceof a lake, its radius becomes 5r/4.Pressure of the atmosphere is equalto the 10 m height of water column.If the temperature is constant andthe surface tension is neglected, thedepth of the lake is

14. When an air bubble of radius rrises from the bottom to the surface

1.	14. When an air bubble of radius rrises from the bottom to the surfaceof a lake, its radius becomes 5r/4.Pressure of the atmosphere is equalto the 10 m height of water column.If the temperature is constant andthe surface tension is neglected, thedepth of the lake is
Answer» 14. When an air bubble of radius rrises from the bottom to the surfaceof a lake, its radius becomes 5r/4.Pressure of the atmosphere is equalto the 10 m height of water column.If the temperature is constant andthe surface tension is neglected, thedepth of the lake is