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# Physics Heat and Thermodynamics Online Quiz Test MCQs

### Test Instructions

Test Name : Physics Heat and Thermodynamics
Subject : Physics
Test Type : Mcqs
Total Question : 15
Total Marks : 30
Total Time : 30 Minutes

Here we have a free online quiz which includes mcqs questions and answers related to the topic of Heat and Thermodynamics . All the individuals who are currently preparing for any physics subject related exam or just want to improve their general knowledge related to this topic, should attempt these tests in order to complete their preparation in a short time period with ease.

## Physics

1. A certain engine converts 20% of available heat energy into work. Then its efficiency will be:

Question 1 of 15

2. The temperature at which all the gases become liquid is called:

Question 2 of 15

3. A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:

Question 3 of 15

4. The law of thermodynamics which discusses the condition under which heat energy is converted into an equivalent amount of work is:

Question 4 of 15

5. Real gases strictly obey gas laws at:

Question 5 of 15

6. Absolute zero is considered as that temperature at which:

Question 6 of 15

7. First law of thermodynamics is merely a statement of law of conservation of:

Question 7 of 15

8. When the disorder of the state of system increases, its entropy:

Question 8 of 15

9. Hotness or coldness of an object is represented in term of:

Question 9 of 15

10. When two objects come to common temperature, the body is said to be in:

Question 10 of 15

11. For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:

Question 11 of 15

12. Number of spark plugs needed in diesel engine is:

Question 12 of 15

13. One degree of thermodynamics scale of temperature is called:

Question 13 of 15

14. In an isothermal process, the internal energy of the system:

Question 14 of 15

15. Thermal radiations are type of:

Question 15 of 15

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