[$1 \;\mathrm{L} \text { bar }=100 \;\mathrm{J}$ આપેલ છે.]
\({P}_{\text {ext }}=2\) bar
\(\mathrm{V}_{1}=0.1 \mathrm{L}\)
\({\mathrm{V}}_{2}=0.25 \mathrm{L}\)
\(\overline{\mathrm{W}}=-2\) bar \([0.25-0.1] \mathrm{L}\)
\(\mathrm{W}=-2 \times 0.15\) bar \(\mathrm{L}\)
\(\mathrm{W}=-0.30\) bar \(\mathrm{L}\)
\(\mathrm{W}=(-0.30) \times 100=-30 \mathrm{J}\)