A) 5/7
B) 3/5
C) 2/5
D) None of these
Correct Answer: A
Solution :
\[\Delta Q=n{{C}_{p}}dT,gDU=n{{C}_{V}}dT\] \[\because \] \[{{C}_{V}}=\frac{5}{2}R\]and \[{{C}_{P}}=\frac{7}{2}R\] \[\therefore \] \[\frac{\Delta U}{\Delta Q}=\frac{5}{7}\]
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