JEE PHYSICS UNIT 08
QUIZ NO 1
TOTAL QUESTIONS = 20


1. The first law of thermodynamics is a statement of


2. The internal energy of an ideal gas depends on


3. The process in which no heat is exchanged between the system and surroundings is called


4. For an isothermal process, the change in internal energy of an ideal gas is


5. Work done during an isothermal expansion of an ideal gas is given by


6. In an adiabatic process, the relationship between pressure P and volume V is given by


7. The efficiency of a Carnot engine depends on


8. The specific heat of a gas in an isothermal process is


9. The total entropy change in a reversible cycle is


10. A heat engine absorbs 100 J of heat and does 60 J of work. The efficiency of the engine is


11. The second law of thermodynamics states that


12. The work done in an isochoric process is


13. The temperature at which the entropy of a perfect crystalline substance becomes zero is


14. A gas expands adiabatically. During this process


15. The ratio of Cp to Cv for an ideal gas is equal to


16. The internal energy change in an adiabatic process is equal to


17. For an isothermal process, which quantity remains constant


18. The work done by an ideal gas during an isobaric expansion is


19. The efficiency of a Carnot engine is 100% if


20. In a cyclic process, the total work done by the system is equal to



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