An ideal gas goes from state
to state
via three different processes as indicated in the
diagram.

If
and
indicate the heat absorbed by the three processes and
, and
indicate the change in internal energy along the three processes respectively, then
Text Solution
Verified by ExpertsThe correct answer is:
A
For all process 1,2 and 3
Change in internal energy,
i.e., 
… (i)
Now,
… (ii)
work done by the gas
area under
curve,
From equation (ii)
we have

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