One mole of a monatomic ideal gas goes through a thermodynamic cycle, as shown in the…

Chemistry · JEE Advanced · NTA Exams — Chemical Thermodynamics

One mole of a monatomic ideal gas goes through a thermodynamic cycle, as shown in the volume versus temperature (V-T) diagram. The correct statement(s)
is/are [R is the gas constant]

1. Work done in this thermodynamic cycle
   (1 → 2 → 3 → 4 → 1) is
2. The ratio of heat transfer during processes 1 → 2 and 2 → 3 is
3. The above thermodynamic cycle exhibits only isochoric and adiabatic processes.
4. The ratio of heat transfer during processes 1 → 2 and 3 → 4 is