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# Heat and Thermodynamics Test Online MCQs

 Test Name Heat and Thermodynamics MCQs Test Subject Physics Test Type MCQs Total Question 25 Total Marks 50 Total Time 25 Mints Test Help For Physics Subject Test Prep. All Admissions Test. All Jobs and recruitment Test prep. Medical Test prep. Engineering Test prep.

Heat and Thermodynamics Multiple Choice Questions Test is available over here for the preparation of all tests such as admission test, medical, engineering test and written test. Attempt Heat and Thermodynamics MCQs Test is given below.

## Physics

1. Which type of molecular motion does not contribute towards internal energy?

Question 1 of 25

2. When heat is added to a system, which of the following is not possible?

Question 2 of 25

3. The temperature determines the direction of net change of:

Question 3 of 25

4. What is heat?

Question 4 of 25

5. The internal energy of a perfect gas is:

Question 5 of 25

6. A sink, that is a system where heat is rejected is essential for the conversion of heat into work. From which law the above inference follows?

Question 6 of 25

7. A process in which the volume remains constant is called:

Question 7 of 25

8. In which of the following process all the three thermodynamic variables, that is pressure, volume and temperature can change?

Question 8 of 25

9. The ideal black body is:

Question 9 of 25

10. Thermal equilibrium implies equality of:

Question 10 of 25

11. The maximum energy emitted by a body for a particular wavelength varies directly as:

Question 11 of 25

12. A sample of perfect gas is compressed isothermally to half its volume. If it is compressed adiabatically to the same volume the final pressure of the gas will be:

Question 12 of 25

13. Which of the following states of matter have two specific heats?

Question 13 of 25

14. In a room containing air, heat can go from one place to another by:

Question 14 of 25

15. Thermodynamics is concerned with:

Question 15 of 25

16. The phenomenon of black body radiation was explained satisfactorily by:

Question 16 of 25

17. An iron ball is heated. The percentage increase will be the largest in:

Question 17 of 25

18. A process In which the heat content of the system remains constant is called:

Question 18 of 25

19. If pressure on a gas is increased from P to 2P, then its heat conductivity:

Question 19 of 25

20. The first law of thermodynamics is based on the law of conservation of:

Question 20 of 25

21. What is the name of the device used to transfer heat from a subsystem at lower temperature to the surroundings at higher temperature?

Question 21 of 25

22. Which of the following is not the property of both heat and work:

Question 22 of 25

23. Which of the following is the best container for gas during isothermal process?

Question 23 of 25

24. An ideal gas expands freely in a perfectly rigid and insulated cylinder. Which of the following parameters connected with it varies?

Question 24 of 25

25. While measuring thermal conductivity of a liquid, we keep the upper part hot and lower part cold, so that:

Question 25 of 25

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