MDCAT Thermodynamics Test Online

Photo of Mustansar Khan Mustansar KhanLast Updated: May 26, 2025

Physics Thermodynamics MCQS Online Test

MDCAT Physics Thermodynamics Chapter Online Test

Total Questions: 49
Time Allowed: 25 Minutes
Total Marks: 49
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Physics Thermodynamics Chapter Online Test

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1. The SI unit of heat is:

2. What happens to internal energy during an isothermal expansion?

3. Which law states that energy can neither be created nor destroyed?

4. When a gas is compressed, work is:

5. If Q = 200 J and W = 50 J, what is the change in internal energy?

6. Which of the following does not change during an isothermal process?

7. Which instrument is used to measure heat?

8. Which process shows ΔU = 0?

9. Which of the following is not a path function?

10. When W = Q in the first law equation, what is ΔU?

11. What is the heat added in an adiabatic process?

12. During isobaric expansion of gas:

13. If no heat is exchanged with the surroundings, the process is called:

14. In which process is ΔU = Q?

15. Which of the following has the highest molar specific heat at constant pressure?

16. What does the term “internal energy” refer to?

17. What is specific heat?

18. Which physical quantity is represented by the slope of a temperature vs. heat graph during heating?

19. Which of the following has units J/mol·K?

20. Which of the following expresses work done at constant pressure?

21. In the equation ΔU = Q – W, what does a positive W indicate?

22. What is the value of specific heat of water?

23. Which process occurs without any change in heat content?

24. What is the unit of specific heat in SI?

25. The total energy of an isolated system:


 

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Photo of Mustansar Khan Mustansar KhanLast Updated: May 26, 2025
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