JEE Main 2020 — Thermodynamics Question with Solution
JEE Main 2020 (02 Sep Shift 1)
Question
An engine takes in moles of air at and , and compresses it adiabatically to of the original volume. Assuming air to be a diatomic ideal gas made up of rigid molecules, the change in its internal energy during this process comes out to be . The value of to the nearest integer is:
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Show full solutionCorrect answer: 46
Correct answer
46
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This is a previous-year question from JEE Main 2020, covering the Thermodynamics 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.