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  • The P-V diagram of a diatomic ideal gas system going under cyclic process as shown in figure. The work done during an adiabatic process CD is <img alt="\left ( use\; \gamma =1.4 \right )" src="/latex-image/?%5Cleft%20%28%20use%5C%3B%20%5Cgamma%20%3D1.4

The P-V diagram of a diatomic ideal gas system going under cyclic process as shown in figure. The work done during an adiabatic process CD is \left ( use\; \gamma =1.4 \right ):
Option: 1 -400\; J
 
Option: 2 -500\; J
Option: 3 400\; J  
Option: 4 200\; J

Answers (1)

best_answer

\begin{aligned} &\text { Adiabatic process is from } C \text { to } D\\ &WD =\frac{ P _{2} V _{2}- P _{1} V _{1}}{1-\gamma}\\ &=\frac{ P _{ D } V _{ D }- P _{ C } V _{ C }}{1-\gamma}\\ &=\frac{200(3)-(100)(4)}{1-1.4} \end{aligned}
=-500 J

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Deependra Verma

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