Basic concepts: State variables, Intensive and extensive parameters, Zeroth law of  thermodynamics,  Thermodynamic equilibrium, Ideal gas law, Temperature, Reversible processes, First  law of thermodynamics.             

Second law of thermodynamics: Clausius inequality,  Carnot cycles and carnot engines,  Entropy, Equilibrium, Ideal gas etc, Heat engines and pumps, T-S diagram, entropy and disoder. Mathematical formulation of thermodynamics: Thermodynamic potentials; U,H,F,G ;  Maxwell's  relations;  General thermodynamic relations, Legendre transformations,  Joule and Joule-Kelvin  coefficients, Equilibrium between phases, Clausius – Clayperon equations. Third law of thermodynamics. Applications of Thermodynamics: Magnetic cooling, PVT systems.  Radiation:  Stefan-Boltzmann law. Superconductivity and superfluidity: First and second order phase changes, Open systems, Chemical potential and equilibrium. Third law of thermodynamics: Nearnst theorem, Microscopic view point, Absolute zero.