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Examveda

Specific heat of a gas for a reversible adiabatic process is

A. Negative

B. Zero

C. Infinity

D. None of these

Answer: Option B

Solution(By Examveda Team)

Since for a reversible adiabatic process the entropy is constant.
The heat-capacity and entropy relation is given by
$$\eqalign{ & \frac{{{C_P}}}{T}dT = dS \cr & \Rightarrow {C_P} = 0. \cr} $$

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