JEE Main 2018 — Mechanical Properties of Fluids Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
When an air bubble of radius rises from the bottom to the surface of a lake, its radius becomes . Taking the atmospheric pressure to be equal to height of water column, the depth of the lake would approximately be (ignore the surface tension and the effect of temperature):
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Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Using
On solving we get
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This is a previous-year question from JEE Main 2018, 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.