A) 238 J
B) 126 J
C) 210 J
D) 350 J
Correct Answer: B
Solution :
[b] \[{{Q}_{p}}=\mu {{C}_{P}}\Delta T\] and \[{{Q}_{v}}=\mu {{C}_{v}}\Delta T\] \[\Rightarrow \frac{QV}{QP}=\frac{CV}{CP}=\frac{\frac{3}{2}R}{\frac{5}{2}R}=\frac{3}{5}\] \[\left[ \therefore {{\left( CV \right)}_{mono}}=\frac{3}{2}R,{{({{C}_{P}})}_{mono}}=\frac{5}{2}R \right]\] \[\Rightarrow QV=\frac{3}{5}\times (\Delta Q)P=\frac{3}{5}\times 210=126J\]
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