What is Thermodynamics?

Thermodynamics may be defined as follows:

    ➦ Thermodynamics is an axiomatic science which deals with the relations among heat, work and properties of system which are in equilibrium. It describes state and changes in state of physical systems.

Or

    ➦ Thermodynamics is the science of the regularities governing processes of energy conversion.

Or

    ➦ Thermodynamics is the science that deals with the interaction between energy and material systems.

Thermodynamics basically entails for four laws known as 

    ⬥ Zeroth law of thermodynamics ~ The zeroth law deals with thermal equilibrium and establishes a concept of temperature.

    ⬥ First law of thermodynamics ~ The first law throws light on concept of internal energy.

    ⬥ Second law of thermodynamics ~ The second law indicates the limit of converting heat into work and introduces the principle of increase of entropy.

    ⬥ Third law of thermodynamics ~ The third law defines the absolute zero entropy.

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