MHT CET 2024 Physics question
A closed pipe containing a liquid showed a pressure by gauge. When the value was opened, pressure was reduced to . The speed of water flowing out of the pipe is ( = density of water)
Answer: (3)
Solution
Before the valve is opened the liquid is at rest at pressure . After opening, the pressure falls to and the liquid flows with speed . Apply Bernoulli's equation at the same level: . So and \dfrac2(P_1$ -
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