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  • When a large bubble rises from the bottom of a lake to the surface. Its radius doubles. If atmospheric pressure is equal to that of column of water height <img alt="\mathrm{H}" src="https://entranc

When a large bubble rises from the bottom of a lake to the surface. Its radius doubles. If atmospheric pressure is equal to that of column of water height \mathrm{H}, then the depth of lake is (assume phenomenon to be isothermal and \mathrm{S / R=\rho g h / 6} where S is surface tension, R is Radius at the bottom, \mathrm{\rho} is density of water, g is acceleration due to gravity)

Option: 1

H


Option: 2

2H


Option: 3

7H


Option: 4

8H


Answers (1)

best_answer

\mathrm{\begin{aligned} & \mathrm{R} \rightarrow 2 \mathrm{R} \\ & \mathrm{V} \rightarrow 8 \mathrm{~V} \\ & \mathrm{P} \rightarrow \mathrm{P} / 8 \end{aligned}}

Posted by

manish painkra

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