Isothermal & Adiabatic Processes NEET Questions

Physics - Thermodynamics

Isothermal & Adiabatic Processes MCQ Questions


13.
In an adiabatic process, if work is done on the system, what happens to its temperature?
A.
Decreases
B.
Increases
C.
Remains the same
D.
Remains constant
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ANSWER :
B. Increases
14.
Which process involves no heat transfer?
A.
Isothermal
B.
Cyclic
C.
Adiabatic
D.
Isobaric
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ANSWER :
C. Adiabatic
15.
What happens to the pressure of a gas during adiabatic expansion?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
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ANSWER :
B. Decreases
16.
The formula PV = constant applies to which type of process?
A.
Adiabatic process
B.
Isothermal process
C.
Cyclic process
D.
Isochoric process
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ANSWER :
B. Isothermal process
17.
An ideal gas undergoes an adiabatic expansion. What happens to its temperature?

NEET - 2017

A.
Remains the same
B.
Increases
C.
Decreases
D.
First increases, then decreases
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ANSWER :
C. Decreases
18.
In an isothermal process, which of the following quantities is not constant?
A.
Temperature
B.
Pressure
C.
Internal energy
D.
Volume
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ANSWER :
A. Temperature