For an ideal gas undergoing an adiabatic process, the equation of state is given as PT−5/2=k, where k is a constant. Find the value of adiabatic index.
A
53
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B
75
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C
52
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D
2
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Solution
The correct option is A53 Given,
Equation of state of adiatatic process PT−5/2=k P−1T5/2=k
Squaring both sides, P−2T5=k
Taking cube root on both sides, we get P−2/3T5/3=k
On comparing with P1−γTγ=k, we can conclude that γ=53