JEE PHYSICS UNIT 08
QUIZ NO 3
TOTAL QUESTIONS = 20


1. In an isothermal process, the internal energy of an ideal gas


2. The work done during an isothermal process is given by


3. The efficiency of a Carnot engine working between source temperature T1 and sink temperature T2 is


4. The total entropy change for a reversible cycle is


5. The ratio Cp/Cv for a monoatomic gas is


6. The heat absorbed by a system in an isochoric process is equal to


7. The specific heat of an ideal gas in an isothermal process is


8. A gas does 300 J of work and absorbs 500 J of heat. The change in internal energy is


9. During adiabatic compression, the temperature of a gas


10. Which of the following is a state function


11. The efficiency of a heat engine is maximum when


12. The first law of thermodynamics is a statement of


13. If an ideal gas undergoes an adiabatic process, the relation between pressure and temperature is


14. The entropy change for an ideal gas is given by


15. In a Carnot engine, if the sink temperature is 400 K and the source temperature is 800 K, the efficiency is


16. A cyclic process is one in which


17. In an adiabatic process, the heat exchange is


18. The work done during an isochoric process is


19. The temperature at which the entropy of a perfectly crystalline substance becomes zero is


20. The second law of thermodynamics states that



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