JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 26 July 2022, Shift 1, Physics Q43

Question 43 of 90 in this shift, Physics question 13 of 30, Section A.

7 mol of a certain monoatomic ideal gas undergoes a temperature increase of 40K at constant pressure. The increase in the internal energy of the gas in this process is : (Given

R = 8.3\ \mathrm{JK^{-1}\,mol^{-1}}

)

(1)5810 J
(2)3486 JOfficial answer
(3)11620 J
(4)6972 J

Official answer

Option 2

NTA final key.

Chapter: Thermodynamics
Topic: First Law of Thermodynamics
Idea tested: Internal Energy Calculation

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Asked 4× 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.