Reversible and Irreversible Processes NEET Questions

Physics - Thermodynamics

Reversible and Irreversible Processes MCQ Questions


1.
Which of the following is a characteristic of a reversible process?
A.
Very fast
B.
Quasi-static
C.
Spontaneous
D.
Non-quasi-static
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ANSWER :
B. Quasi-static
2.
For a reversible process, the system remains:
A.
In equilibrium
B.
Out of equilibrium
C.
Undergoing rapid change
D.
Non-equilibrium
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ANSWER :
A. In equilibrium
3.
A process is reversible when

NEET - 2019

A.
It occurs infinitely slowly
B.
It occurs infinitely fast
C.
It takes finite time
D.
It is highly efficient
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ANSWER :
A. It occurs infinitely slowly
4.
In an irreversible process, entropy:
A.
Remains constant
B.
Decreases
C.
Increases
D.
Becomes zero
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ANSWER :
C. Increases
5.
Which process involves the maximum work done by the system?
A.
Isothermal process
B.
Adiabatic process
C.
Reversible process
D.
Irreversible process
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ANSWER :
C. Reversible process
6.
In a cyclic process, the net change in entropy of the system is

NEET - 2017

A.
Always positive
B.
Always negative
C.
Zero
D.
Unpredictable
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ANSWER :
C. Zero