If $C_p$ and $C_v$ denote the specific heats of nitrogen per unit mass at constant pressure and constant volume respectively, then
  • A$C_p -C_v$ = $\frac{R}{{14}}$
  • B$C_p - C_v = R$
  • C$C_p -C_v = 28$ $R$
  • D$C_p -C_v$ = $\frac{R}{{28}}$
AIEEE 2007, Medium
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