VBTSPILOTS7821 VBTSPILOTS7821

08-02-2024
Physics

contestada

The volume of an air bubble is doubled as it rises from the bottom of the lake of its surface. The atmospheric pressure is 75 cm of mercury to that of lake water is 40/3. The depth of the lake in metre is :

a. 10
b. 15
c. 20
d. 25

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