One mole of an ideal gas is taken from 
to 
, from 
to 
and then back to 
. The variation of its volume with temperature for that change is as shown. Its pressure at
is 
, volume is 
. Then, the internal energy
A
at 
is more than at 
is more than at
B
at 
is less than at 
is less than at
C
at 
is more than at 
is more than at
D
at 
and 
are equal
and are equal
Text Solution
Verified by ExpertsThe correct answer is:
D
The internal energy of an ideal gas is only dependent upon its temperature.
From the graph,
The ideal gas is at same temperature at 
and 
.
The internal energy at 
and 
are equal.
or 
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