Multiple choice general knowledge science & technology

If two thermodynamic systems are separately in thermal equilibrium with a third, they are also in thermal equilibrium with each other?

  1. Zeroth law of ThermoDynamics

  2. First law of ThermoDynamics

  3. second law of ThermoDynamics

  4. Third law of ThermoDynamics
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Explanation

This is the Zeroth Law of Thermodynamics, which defines thermal equilibrium and forms the basis for temperature measurement. The First Law is energy conservation, Second Law governs entropy and spontaneous processes, and Third Law concerns absolute zero.

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