When two bodies are in thermal equilibrium with third body separately then ______.

When two bodies are in thermal equilibrium with third body separately then ______.

a. All three bodies will be in thermal in-equilibrium
b. They will not be in a thermal equilibrium
c. No two separate bodies can be in a thermal equilibrium
d. They also will be in a thermal equilibrium

Correct Answer : d. They also will be in a thermal equilibrium

Explanation :

According to zeroth law of thermodynamic when two bodies are in a thermal equilibrium with a third body separately then those two bodies are also in a thermal equilibrium. Thus all three bodies are in thermal equilibrium.