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Excess Pressure in Bubbles

When a large ...

Question

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 $H$ , then the depth of lake is

A

H

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B

2 H

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C

7 H

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D

8 H

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Solution

The correct option is D $7 H$

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