Isothermal & Adiabatic Processes NEET Questions

Physics - Thermodynamics

Isothermal & Adiabatic Processes MCQ Questions


7.
How does the temperature change in an adiabatic expansion?
A.
It increases
B.
It decreases
C.
Remains the same
D.
It becomes zero
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ANSWER :
B. It decreases
8.
For an ideal gas, the relation between pressure and volume in an adiabatic process is:
A.
PV = constant
B.
P/V = constant
C.
P^γV = constant
D.
P = constant
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ANSWER :
C. P^γV = constant
9.
In an isothermal process, the change in internal energy of an ideal gas is:
A.
Maximum
B.
Minimum
C.
Zero
D.
Equal to work done
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ANSWER :
D. Equal to work done
10.
Which of the following is true for an adiabatic compression?
A.
Temperature decreases
B.
Temperature increases
C.
Internal energy increases
D.
Internal energy decreases
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ANSWER :
B. Temperature increases
11.
Which of the following is correct for an adiabatic process?

NEET - 2016

A.
ΔQ = 0
B.
ΔW = 0
C.
ΔU = 0
D.
ΔP = 0
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ANSWER :
A. ΔQ = 0
12.
During an isothermal process, which of the following remains unchanged?
A.
Pressure
B.
Volume
C.
Temperature
D.
Internal energy
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ANSWER :
C. Temperature