A diatomic gas $(\gamma=1.4)$ does $200 \mathrm{~J}$ of work when it is expanded isobarically. The heat given to the gas in the process is:
JEE MAIN 2024, Diffcult
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$\gamma=1+\frac{2}{f}=1.4 \Rightarrow \frac{2}{f}=0.4$

$\Rightarrow f=5$

$W=n R \Delta T=200 J$

$Q=\left(\frac{f+2}{2}\right) n R \Delta T$

$=\frac{7}{2} \times 200=700 J$

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