Questions
Radius of an air bubble at the bottom of the lake is r and it becomes 2r when the air bubbles rises to the top surface of the lake. If P cm of water be the atmospheric pressure, then the depth of the lake is
detailed solution
Correct option is D
P1V1=P2V2 P+H4πr33=P4π2r33 P+H=8P H=7PTalk to our academic expert!
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Air is blown through a hole on a closed pipe containing liquid. Then the pressure will
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