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Physics
Which of the following statements is correct for any thermodynamic system?
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Q. Which of the following statements is correct for any thermodynamic system?
AIEEE
AIEEE 2004
Thermodynamics
A
The internal energy changes in all processes.
20%
B
Internal energy and entropy are state functions.
42%
C
The change in entropy can never be zero.
12%
D
The work done in an adiabatic process is always zero.
26%
Solution:
Internal energy does not change in isothermal process. $\Delta S$ can be zero for adiabatic process. Work done in adiabatic process may be non-zero