Radius of a bubble at the boom
shown below was found to be
the radius of the bubble inom
face of water at same tempera
Pressure at bottom=
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When an air bubble of radius r rises from the bottom to the surface of a lake, its radius becomes 45r. Taking the atmospheric pressure to be equal to 10m height of water column, the depth of the lake would approximately be (ignore the surface tension and the effect of temperature):
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