Thermodynamics Question 5

Question: A monoatomic gas (γ=5/3) is suddenly compressed to 18 of its original volume adiabatically, then the pressure of the gas will change to

[CPMT 1976, 83; MP PMT 1994; DPMT 1996; Roorkee 2000; KCET 2000; Pb. PMT 1999, 2001]

Options:

A) 4 atmosphere

B) 32 atmosphere

C) 8 atmosphere

D) 14 atmosphere

Show Answer

Answer:

Correct Answer: C

Solution:

PVγ=constantP2P1=(V1V2)γ

P21=(V1V1/4)3/2=8

Therefore P2=8 atm .



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