JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 1 February 2024, Shift 2, Physics Q38

Question 38 of 90 in this shift, Physics question 8 of 30, Section A.

A diatomic gas (

\gamma = 1.4

) does 200 J of work when it is expanded isobarically. The heat given to the gas in the process is :

(1)600 J
(2)700 JOfficial answer
(3)800 J
(4)850 J

Official answer

Option 2

NTA final key.

Chapter: Thermodynamics
Topic: First Law of Thermodynamics
Idea tested: Heat in Isochoric and Isobaric Processes

Same idea in other shifts

Asked 5× in all

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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.