JEE Main 2019PhysicsMechanical Properties of FluidsHardMCQ

JEE Main 2019 — Mechanical Properties of Fluids Question with Solution

JEE Main 2019 (12 Jan Shift 2)

Question

A soap bubble, blown by a mechanical pump at the mouth of a tube increases in volume with time at a constant rate. The graph that correctly depicts the time dependence of pressure inside the bubble is given by:

Choose an option

Show full solutionCorrect option: D
Correct answer
D

Step-by-step explanation

dVdt=k

⇒V=kt

⇒43πr3=kt

⇒r=3k4π13t13

P-P0=4Tr

⇒P-P0=4T.3k4π13.1t13 ⇒P=4T.3k4π13.1t13 +P0

 

 

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About this question

This is a previous-year question from JEE Main 2019, 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.