JEE Main 2018 — Thermodynamics Question with Solution
JEE Main 2018 (15 Apr Shift 1 Online)
Question
A Carnot's engine works as a refrigerator between and . It receives heat from the reservoir at the lower temperature. The amount of work done in each cycle to operate the refrigerator is:
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Given: Temperature of cold body, temperature of hot body; Heat received, work done, ?
Efficiency
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Thermodynamics chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2018, 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.