JEE Main 2025 — Mechanical Properties of Fluids Question with Solution
JEE Main 2025 (23 Jan Shift 2)
Question
Water flows in a horizontal pipe whose one end is closed with a valve. The reading of the pressure gauge attached to the pipe is . The reading of the pressure gauge falls to when the valve is opened. The speed of water flowing in the pipe is proportional to
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Using Bernoulli's theorem $\begin{aligned} & P_1-P_2=\frac{1}{2} \rho v^2 \\ & v \propto \sqrt{P_1-P_2} \end{aligned}$
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This is a previous-year question from JEE Main 2025, covering the Mechanical Properties of Fluids chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.