An ideal gas undergoes isothermal expansion from V1 to V2 in two different ways,
(i) reversibly and (ii) irreversibly. The correct statement is [notations have their usual meaning]
1
|Wrev|, > |Wirr|, |Qrev| < |Qirr|
2
|Wrev|, > |Wirr|, |Qrev| > |Qirr|
3
|Wrev|, < |Wirr|, |Qrev| < |Qirr|
4
|Wrev|, < |Wirr|, |Qrev| > |Qirr|