The state of a mole of an ideal gas changed from state A at pressure 2P and volume V follows four different processes and finally returns to initial state A reversibly as shown in the graph, answer the following question.
Which is the kind of process followed from state
A to state
B?
![251206_9b162678dcb4409ebe447de397f526fb.PNG](https://search-static.byjusweb.com/question-images/toppr_ext/questions/251206_9b162678dcb4409ebe447de397f526fb.PNG)