Thermodynamics

33 topics, ranked by how often each is asked.

Practise ThermodynamicsBrowse all questions
  • 54 questions
  • 37 papers
  • 3.06% of Physics

Topics

The squares are the last ten exam years: filled means it was asked that year.

Topics

33 topics · 54 questions
  1. 1Mixing of Gases1.9%1 questionPractise Mixing of Gases
  2. 2First Law of Thermodynamics - Isobaric Work1.9%1 questionPractise First Law of Thermodynamics - Isobaric Work
  3. 3Work Done in Thermodynamic Cyclic Process1.9%1 questionPractise Work Done in Thermodynamic Cyclic Process
  4. 4Carnot Engine and Efficiency1.9%1 questionPractise Carnot Engine and Efficiency
  5. 5Thermodynamic Processes on a P-V Diagram3.7%2 questionsPractise Thermodynamic Processes on a P-V Diagram
  6. 6Thermodynamic Processes – Free Expansion1.9%1 questionPractise Thermodynamic Processes – Free Expansion
  7. 7Thermodynamic Processes7.4%4 questionsPractise Thermodynamic Processes
  8. 8First law of thermodynamics13%7 questionsPractise First law of thermodynamics
  9. 9Thermodynamic state variables1.9%1 questionPractise Thermodynamic state variables
  10. 10Thermodynamic processes - P-V diagrams1.9%1 questionPractise Thermodynamic processes - P-V diagrams
  11. 11Carnot engine and its efficiency1.9%1 questionPractise Carnot engine and its efficiency
  12. 12Work done in an isobaric process from a P-V diagram1.9%1 questionPractise Work done in an isobaric process from a P-V diagram
  13. 13Polytropic process1.9%1 questionPractise Polytropic process
  14. 14Work done in adiabatic process1.9%1 questionPractise Work done in adiabatic process
  15. 15Cyclic process - first law1.9%1 questionPractise Cyclic process - first law
  16. 16Isobaric process and first law of thermodynamics1.9%1 questionPractise Isobaric process and first law of thermodynamics
  17. 17Carnot engine efficiency1.9%1 questionPractise Carnot engine efficiency
  18. 18First law of thermodynamics – change in internal energy1.9%1 questionPractise First law of thermodynamics – change in internal energy
  19. 19Carnot engine and refrigerator – coefficient of performance1.9%1 questionPractise Carnot engine and refrigerator – coefficient of performance
  20. 20Work done in isothermal and adiabatic compression1.9%1 questionPractise Work done in isothermal and adiabatic compression
  21. 21Refrigerator – coefficient of performance1.9%1 questionPractise Refrigerator – coefficient of performance
  22. 22Polytropic process – molar heat capacity1.9%1 questionPractise Polytropic process – molar heat capacity
  23. 23Refrigerator – heat rejected per unit work1.9%1 questionPractise Refrigerator – heat rejected per unit work
  24. 24Heat engines and refrigerators1.9%1 questionPractise Heat engines and refrigerators
  25. 25Internal energy of an ideal gas1.9%1 questionPractise Internal energy of an ideal gas
  26. 26Refrigerators1.9%1 questionPractise Refrigerators
  27. 27Isothermal and adiabatic processes1.9%1 questionPractise Isothermal and adiabatic processes
  28. 28Work in a cyclic process5.6%3 questionsPractise Work in a cyclic process
  29. 29Adiabatic process7.4%4 questionsPractise Adiabatic process
  30. 30Entropy1.9%1 questionPractise Entropy
  31. 31Cyclic Process1.9%1 questionPractise Cyclic Process
  32. 32Carnot Engine13%7 questionsPractise Carnot Engine
  33. 33Reversible and Irreversible Processes1.9%1 questionPractise Reversible and Irreversible Processes

Questions per paper

Asked in 15 of the last 16 papers (2017–2026).

  1. 2026: 1 question
  2. 2026 Re-NEET: 2 questions
  3. 2025: 2 questions
  4. 2024: 1 question
  5. 2024 Re-NEET: 1 question
  6. 2023: 1 question
  7. 2023 Manipur: 1 question
  8. 2022: 1 question
  9. 2022 Phase 2: 1 question
  10. 2021: not asked
  11. 2020: 1 question
  12. 2020 Phase-2: 2 questions
  13. 2019: 1 question
  14. 2019 Odisha: 1 question
  15. 2018: 3 questions
  16. 2017: 2 questions

Concepts tested

  • Adiabatic process 2
  • Coefficient of performance 2
  • Adiabatic compression
  • adiabatic curve identification
  • adiabatic-vs-isothermal-compression-work
  • Area of P–V cycle
  • Area of P–V loops
  • Carnot efficiency
  • Carnot engine and its efficiency
  • carnot-efficiency
  • carnot-refrigerator-cop
  • Conditions for reversibility
  • Cyclic process - first law
  • Delta U = nCv Delta T
  • Efficiency and sink temperature
  • Efficiency of a Carnot engine
  • Efficiency of a heat engine
  • Efficiency of Carnot engine