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Q.
The zeroth law of thermodynamics for three systems $A, B$ and $C$ in contact demands that
J & K CETJ & K CET 2013Thermodynamics
Solution:
From zeroth law of thermodynamics, if two systems $A$ and $B$ are separated by an adiabatic wall, are seperately and independently in thermal equilibrium with a third system $C$, then the systems $A$ and. $B$ are also in a state of thermal equilibrium with each other.