Thermodynamics Question 196
Question: In an isothermal expansion
[KCET 2000; AFMC 2001]
Options:
A) Internal energy of the gas increases
B) Internal energy of the gas decreases
C) Internal energy remains unchanged
D) Average kinetic energy of gas molecule decreases
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Answer:
Correct Answer: C
Solution:
In isothermal expansion temperature remains constant, hence no change in internal energy.
