Physics Heat and Thermodynamics Online Quiz Test MCQs

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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 Heat and Thermodynamics Online Quiz Test MCQs


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

Question 1 of 15

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

Question 2 of 15

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

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4. Thermal radiations are type of:

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

Question 5 of 15

6. Real gases strictly obey gas laws at:

Question 6 of 15

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

Question 7 of 15

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

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

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

Question 10 of 15

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

Question 11 of 15

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

Question 12 of 15

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

Question 13 of 15

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

Question 14 of 15

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

Question 15 of 15




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