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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceSingle correctMediumCalculation

JEE Main 30 June 2022, Shift 1, Physics Q41

Question 41 of 90 in this shift, Physics question 11 of 30, Section A.

A sample of monoatomic gas is taken at initial pressure of 75 kPa. The volume of the gas is then compressed from 1200 cm3\mathrm{cm^3} to 150 cm3\mathrm{cm^3} adiabatically. In this process, the value of workdone on the gas will be :
  1. (1)79 J
  2. (2)405 JOfficial answer
  3. (3)4050 J
  4. (4)9590 J

Official answer

Option 2

NTA final key.

Chapter
Thermodynamics
Topic
Thermodynamic Processes
Idea tested
Adiabatic Work Evaluation

Same topic in other shifts

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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.