Physics Medium

Thermodynamics

Practice Thermodynamics MCQs as part of Physics.

34 MCQs
Medium difficulty

Questions in this Topic

What is the SI unit of temperature?
Easy
The first law of thermodynamics is essentially a statement of the conservation of:
Medium
Heat naturally flows from a:
Easy
What is the process called when a liquid changes directly into a gas at its surface?
Medium
At what temperature does water boil at sea level (in Celsius)?
Easy
The transfer of heat through direct contact between particles is called:
Medium
The transfer of heat through the movement of fluids (liquids/gases) is called:
Medium
The second law of thermodynamics states that the entropy of an isolated system tends to:
Hard
What is absolute zero on the Celsius scale?
Medium
What is the freezing point of water on the Fahrenheit scale?
Easy
Specific heat capacity is the heat required to raise the temperature of:
Medium
Which common substance has a very high specific heat capacity?
Medium
In an isothermal process, which quantity stays constant?
Medium
In an adiabatic process:
Medium
In an isobaric process, which quantity stays constant?
Hard
Which heat engine has the maximum possible efficiency between two given temperatures?
Hard
Why can no heat engine be 100% efficient?
Medium
Boyle's law states that at constant temperature, the pressure of a gas is:
Easy
Charles's law states that at constant pressure, the volume of a gas is proportional to ...
Medium
What is the ideal gas equation?
Medium
When solids are heated, they generally:
Easy
At what temperature does water have its maximum density?
Medium
Which mode of heat transfer does not need a material medium?
Easy
A thermos flask keeps liquids hot by reducing:
Medium
Which type of surface is the best absorber and emitter of radiation?
Medium
Latent heat is the energy absorbed or released during a phase change at:
Medium
The latent heat of fusion is required to change a substance from:
Medium
One calorie is approximately equal to how many joules?
Medium
The change of a solid directly into a gas is called:
Easy
The zeroth law of thermodynamics is about:
Medium
The triple point of water is at:
Hard
The average kinetic energy of gas molecules is proportional to the gas's:
Hard
Greenhouse gases like carbon dioxide contribute to global warming by:
Easy
A sea breeze during the day is mainly because:
Medium
Topic Info
SubjectPhysics
TopicThermodynamics
Total MCQs34
DifficultyMedium
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