Thermodynamics. 12th Science Physics.

thermodynamics, 12th physics thermal equilibrium, zeroth law of thermodynamics, heat, internal energy and work, thermodynamics systems, first law of thermodynamics, thermodynamics state variables, Thermodynamic Equilibrium, PV diagram, thermodynamic process- reversible and Irreversible process, isothermal process, isobaric process, isochoric process, adiabatic process, cyclic process. heat engine, refrigerators and heat pumps, air conditioner, second law of thermodynamics, carnot cycle and carnot engine, carnot refrigerator, Sterling cycle.