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Saturday, 31 October

JEE Main 2022 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 27 June 2022, Shift 1, Physics Q51

Question 51 of 90 in this shift, Physics question 21 of 30, Section B.

In a carnot engine, the temperature of reservoir is 527∘527^\circC and that of sink is 200 K. If the workdone by the engine when it transfers heat from reservior to sink is 12000 kJ, the quantity of heat absorbed by the engine from reservoir is __________ ×106\times10^6 J.

Official answer

16

NTA final key.

Chapter
Thermodynamics
Topic
Second Law and Entropy
Idea tested
Carnot Engine Efficiency

Same idea in other shifts

Asked 2× in all
  1. 26 Jun 2022, Shift 2 · Q55A heat engine operates with the cold reservoir at temperature 324 K. The minimum temperature of the hot reservoir, if the heat engine…MediumNumerical value

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 108 of the 174 JEE Main shifts held from 2017 to 2026.