Physics Thermodynamics First Law of Thermodynamics (Delta Q = Delta U + Delta W) MCQ (Single Correct)

A system is said to be in thermal equilibrium if

A
The macroscopic variables do not change in time
B
The microscopic variables do not change in time
C
The macroscopic variables change in time
D
The maicrosocpic variables changes in time.

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Text Solution

Verified by Experts
The correct answer is:
A

In thermal equilibrium the macroscopic variables like pressure, volume, temperature, mass and

composition do not change with time

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