One mole of a diatomic gas is taken through the process \[P{{V}^{n}}=k – McqOptions

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1.	One mole of a diatomic gas is taken through the process \[P{{V}^{n}}=k,\] where n and k are constant. If the heat capacity of gas is negative, then the value of n may be
A.	\[\frac{5}{7}\]
B.	\[-\frac{5}{7}\]
C.	\[\frac{9}{7}\]
D.	\[-\frac{9}{7}\]
Answer» D. \[-\frac{9}{7}\]

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