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Two systems in thermal equilibrium with ...

Two systems in thermal equilibrium with a third system separately are in thermal equilibrium with each other. The above statement is

A

First law of thermaodynamics

B

Second law of thermodynamics

C

Third law of thermodynamics

D

Zeroth law of thermodynamics

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The correct Answer is:
D
The given statement is zeroth law of thermodynameics .It was formulated by R.H fowler in 1931
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