Physics-
General
Easy
Question
A thermodynamic process is shown in the figure. The pressures and volumes corresponding to some points in the figure are : 
and 
In process AB, 600 J of heat is added to the system and in process BC, 200 J of heat is added to the system. The change in internal energy of the system in process AC would be
- 560 J
- 800 J
- 600 J
- 640 J
The correct answer is: 560 J
By adjoining graph 
and
\ 
Now, 
From FLOT 
Þ 
Þ 
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