How many laws of thermodynamics are there? (3 or 4?)

There are total four laws of thermodynamics. They are; Zeroth law of thermodynamics First law of thermodynamics Second law of thermodynamics and Third law of thermodynamics Zeroth law The zeroth law gives us the concept of thermal equilibrium.  Zeroth law states that if two bodies are in thermal equilibrium with the third body, then that … Read more

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