Question

Explain Zeroth law of Thermodynamics ?

Answer 1

The zeroth law of thermodynamics states that if two thermodynamic systems are each in thermal equilibrium with a third one, then they are in thermal equilibrium with each other. Accordingly, thermal equilibrium between systems is a transitive relation.

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Answer 2

Answer:

Zeroth law of Thermodynamics :-

{ law of Thermal equilibrium }

==> given by R.H. Fowler .

■ When a body A is in thermal equilibrium with body B and also the same body A is in thermal equilibrium with body C , then there will be thermal equilibrium between the bodies B and C as well .

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NOTE :-

• Zeroth law is formulated after the first and second law but provides logical basis for the concept of temperature of a system .

• In fact , the reordering of temperature is based on this law ( law of thermal equilibrium ) .