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That is called the TEMPERATURE.
In thermal equilibrium, and only in thermal equilibrium, entropy is constant.
To be in thermal equilibrium, it would have to have the same temperature. (It isn't.)
because the earth and the sun is not in the thermal contact with each other that is why the earth & the sun is not in thermal equilibrium.
because the earth and the sun is not in the thermal contact with each other that is why the earth & the sun is not in thermal equilibrium.
They are in thermal equilibrium, not rotational equilibrium.
no
the basic thermal parameter are pressure(P), volume(V), and temprature(T).
Consider 2 beakers of water, in one beaker, the temperature of water is above room temperature, and the other is below room temperature. They are left on a table (they are not in contact with each other), after some time, equilibrium is reached. Both beakers of water are at the same temperature. The two beakers become in thermal equilibrium with the surroundings, thus they are in thermal equilibrium with each other, and they are at the same temperature. I hope that it helps you...
Zeroth law of thermodynamics: If two systems are in thermal equilibrium with a third system, they must be in thermal equilibrium with each other. This law helps define the notion of temperature.
No., because thermal property like conductivity, diffusivity of two material my not be same in other medium.
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