A thermodynamic system taken |KTG&THERMODYNAMICSJEEMain2022

JEE MAIN 2022

29-07-2022 S2

Question

A thermodynamic system is taken from an original state D to an intermediate state E by the linear process shown in the figure. Its volume is then reduced to the original volume from E to F by an isobaric process. The total work done by the gas from D to E to F will be

Select the correct option:

–450 J

450 J

900 J

1350 J

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

$\begin{aligned} & W_{D E}=\frac{1}{2}(600+300) 3 \mathrm{~J} \\ & =1350 \mathrm{~J} \\ & W_{E F}=-300 \times 3=-900 \mathrm{~J} \\ & W_{D E F}=450 \mathrm{~J}\end{aligned}$

Question Tags

JEE Main

Physics

Medium

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