JEE Main 2022PhysicsThermodynamicsMediumNumerical

JEE Main 2022 — Thermodynamics Question with Solution

JEE Main 2022 (26 Jun Shift 2)

Question

A heat engine operates with the cold reservoir at temperature 324 K. The minimum temperature of the hot reservoir, if the heat engine takes 300 J heat from the hot reservoir and delivers 180 J heat to the cold reservoir per cycle, is _____  K.

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Show full solutionCorrect answer: 540
Correct answer
540

Step-by-step explanation

Using the relation, Q2Q1=T2T1

Or  180300=324T1⇒T1=324×300180=540 K

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About this question

This is a previous-year question from JEE Main 2022, 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.