Thermodynamics Question 50

Question: The volume of a gas is reduced adiabatically to 14 of its volume at 27°C, if the value of γ=1.4, then the new temperature will be

[DPMT 2000]

Options:

A) ?166 J

B) 166 J

C) ?168 J

D) 168 J

Show Answer

Answer:

Correct Answer: B

Solution:

Change in internal energy of the gas ΔU=ΔWRγ1[T2T1]

=8.3(1.41)[308300]=166J



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