JEE Main 2022 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 29 June 2022, Shift 1, Physics Q56

Question 56 of 90 in this shift, Physics question 26 of 30, Section B.

300 cal. of heat is given to a heat engine and it rejects 225 cal. of heat. If source temperature is

227^\circ\mathrm{C}

, then the temperature of sink will be ____________

^\circ\mathrm{C}

Official answer

102

NTA final key (2022 Session 1).

Chapter: Thermodynamics
Topic: Heat Engines and Refrigerators
Idea tested: Carnot Heat-Temperature Ratio

Same topic in other shifts

All Heat Engines and Refrigerators questions

8 Apr 2023, Shift 2 · Q34Work done by a Carnot engine operating between temperatures $127^\circ$ C and $27^\circ$ C is 2 kJ. The amount of heat transferred to the…EasySingle correct
28 Jul 2022, Shift 1 · Q37A Carnot engine has efficiency of 50%. If the temperature of sink is reduced by $40^\circ$ C, its efficiency increases by 30%. The…MediumSingle correct
24 Jun 2022, Shift 1 · Q47A Carnot engine whose heat sinks at $27^\circ$ C, has an efficiency of 25%. By how many degrees should the temperature of the source be…MediumSingle correct
16 Mar 2021, Shift 2 · Q26For an ideal heat engine, the temperature of the source is $127^\circ$ C. In order to have 60% efficiency the temperature of the sink…EasyNumerical value
6 Sep 2020, Shift 2 · Q22An engine operates by taking a monatomic ideal gas through the cycle shown in the figure. The percentage efficiency of the engine is close…MediumNumerical valueHas a figure

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.