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What are zeroth Law explain |
| Answer» Zeroth Law of Thermodynamics\tZeroth law of thermodynamics states that when two systems are in thermal equilibrium through a third system separately then they are in thermal equilibrium with each other also.\tForeg: - Consider two systems A and B which are separated by an adiabatic wall. Heat flow happens between systems A and C, and between B and C, due to which all 3 systems attain thermal equilibrium.\t\t\tZeroth Law of Thermodynamics suggested that there should be some physical quantity which should have same value for the system to be in thermal equilibrium.\tThis physical quantity which determines whether system is in equilibrium or not is Temperature.\tTemperature is the quantity which determines whether the system is in thermal equilibrium with the neighbouring system.\tWhen the temperature becomes equal then the flow of heat stops. | |