railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics First Law of Thermodynamics Application of First Law to Closed System
If ΔU and ΔW represent the increase in internal energy and work done by the system respectively in a thermodynamic process, which of the following is true?
1
ΔU = - ΔW, in an adiabatic process
2
ΔU = ΔW, in an isothermal process
3
ΔU = ΔW, in an adiabatic process
4
ΔU = - ΔW, in an isothermal process