thank you chetan for ur reply…and sorry for being late…actually i read pk nag again…cleared my doubt…only for reversible process we integrtae the term pdv and get p(v2-v1)…whereas for irreversible process we cant do the same…but we can use the term pdv for both the processes…and yeah nptel videos of prof. s k som were very helpful too..:)
thank you chetan for ur reply…and sorry for being late…actually i read pk nag again…cleared my doubt…only for reversible process we integrtae the term pdv and get p(v2-v1)…whereas for irreversible process we cant do the same…but we can use the term pdv for both the processes…and yeah nptel videos of prof. s k som were very helpful too..:)