Question:
When a system is taken from state i to state $f$ along the path iaf, it is found that $Q=50$ cal and $W=20$ cal. Along the path ibf $Q=36$ cal. $W$ along the path ibf is
$14 \mathrm{cal}$
$6 \mathrm{cal}$
$16 \mathrm{cal}$
$66 \mathrm{cal}$
Question of from chapter.
JEE Main Previous Year 2007
Correct Option: 2
Solution: