Which of these is constant in the adiabatic process?
Correct answer: D. Both a and c
- A. Total heat
- B. Work done
- C. Entropy
- D. Both a and c
Explanation
In an adiabatic process, the quantity that remains constant is the entropy and total heat.The term "adiabatic" refers to a process in which there is no heat transfer between the system and its surroundings. In such a scenario, the system is thermally isolated, meaning there is no exchange of heat energy.While several properties can change during an adiabatic process, such as pressure, temperature, volume, and internal energy, the entropy of the system remains constant. The entropy is a measure of the system's disorder or randomness.In an adiabatic process, the absence of heat transfer implies that the system's entropy remains constant because entropy change is associated with heat exchange. Therefore, the entropy is a conserved quantity in an adiabatic process.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Thermal Equilibrium and Heat
Thermal equilibrium means that bodies in contact have the same temperature and no net heat flows between them. The topic distinguishes heat from temperature, uses the zeroth law of thermodynamics, and covers heat transfer, specific heat capacity, thermal expansion and the conditions for reaching equilibrium.
Practise Thermodynamics
714 free Thermodynamics MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Physics questions like this
Physics is on 16 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Thermal Equilibrium and Heat questions
A certain engine that operates in a Carnot cycle absorbs 3.347 kJ at 400ºC. How much work is done by the engine per cycle?(The temperature of the sink is 100ºC).
The plot of pressure on the Y axis and volume on the X axis, at constant temperature is called:
Which of the following describes evaporation?
In which of the following processes the heat is neither absorbed nor released by a system?
"The convection process transfers heat faster than radiation".
One kcal is equal to _.