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JEE Main 2007 (AIEEE) · Specific Heats of Gases - Cp, Cv, γ & Mayer's Relation

Specific Heats of Gases - Cp, Cv, γ & Mayer's Relation question from JEE Main 2007 (AIEEE)

Q59JEE Main 2007 · AIEEEMedium

Specific Heats of Gases - Cp, Cv, γ & Mayer's Relation

If $C_p$ and $C_v$ denote the specific heats of nitrogen per unit mass at constant pressure and constant volume respectively, then

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Answer: (b)

Per unit mass: $C_p - C_v = \dfrac{R}{M}$ .
For $N_2$ , $M = 28$ , so $C_p - C_v = \dfrac{R}{28}$ .
So the answer is (b) $R/28$ .

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