One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure,
The change in internal energy of the gas during the transition is:
20 J
-12 kJ
20 kj
-20 kJ
As we learnt in
Total internal energy -
- wherein
Change in internal energy
(Always)
is degree of freedom
or
Option 1)
20 J
Incorrect
Option 2)
-12 kJ
Incorrect
Option 3)
20 kj
Correct
Option 4)
-20 kJ
Incorrect