1.

Set 03When an air bubble of radius r rises from |9.the bottom to the surface of a lake, its5rradius becomesTáking the4atmospheric pressure to be equal to 10 mheight of water column, the depth of thelake would approximately be (ignore theurface tension and the effect oftemperature)(2) 8.7 m(3) 9.5 nm(4) 10.5 m

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