Question
Question: A system is said to be in thermal equilibrium if...
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 microscopic variables changes in time
Answer
The macroscopic variables do not change in time
Explanation
Solution
: In thermal equilibrium the macroscopic variables like pressure, volume, temperature, mass and composition do not change with time