If one mole of the polyatomic gas is having two vibrational modes and γ is the ratio of molar specific heats for polyatomic gas γ=CPCV then the value of γ is:
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a
1.35
b
1.2
c
1.02
d
1.25
answer is B.
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Detailed Solution
2 vibrational modes means 4 degree of freedom corresponding to vibration.degree of freedom n = 10(3 + 3 + 4)CpCv=γ=1+2n=1+210=1.2for non linear