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

Two systems in thermal equilibrium with a third system, are in thermal equilibrium with each other'. Identify the law given by the above statement.

Assertion: Two systems, which are in thermal equilibrium with a third system, are in thermal equilibrium with each other. Reason: The heat flows spontaneously from a system at a higher temp. to a system at a lower temp.

Assertion: Two systems, which are in thermal equilibrium with a third system, are in thermal equilibrium with each other. Reason: The heat flows spontaneously from a system at a higher temp. to a system at a lower temp.

A system is said to be in thermal equilibrium if

Assertion(A) : Two systems which are both in thermal equilibrium with the third system are in thermal equilibrium with one another. Reason(R ) : The heat flows spontaneously from a system at high temperature to a system at low temperature.

'If a system A is in thermal equilibrium with B and B is in thermal equilibrium with C , then A and C are in thermal equilibrium with each other.'' This is a statement of