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  4. In the P-V diagram shown in figure ABC is a semicircle. The work done (in atm-litre ) in the process ABC is <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-wj4tihn5si5p.png />

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Q. In the $P-V$ diagram shown in figure ABC is a semicircle. The work done (in $atm-litre$ ) in the process ABC is

Question

NTA AbhyasNTA Abhyas 2020Thermodynamics

Solution:

(Work done)
$W=\frac{\pi r_{1} r_{2}}{2}=\frac{\pi }{2}\times 1\times 1$
$W=\frac{\pi }{2}\text{ atm-litre}$