JEE Main 2017 — Thermodynamics Question with Solution
JEE Main 2017 (08 Apr Online)
Question
An engine operates by taking moles of an ideal gas through the cycle shown in figure. The thermal efficiency of the engine is:
(Take , where is gas constant)
(Take , where is gas constant)
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Work done in cycle area under closed curve
Heat given
Thermal efficiency,
Heat given
Thermal efficiency,
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This is a previous-year question from JEE Main 2017, 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.