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1.7 THERMAL EQUILIBRIUM

Thermal equilibrium is a condition in which there is no net heat flow between two objects that are

in thermal contact with each other. When two objects of different temperatures are placed in
contact with each other, the object with the higher temperature will transfer heat to the object with

a lower temperature. After a while, both objects will attain the same temperature. At this state,
both objects have reached thermal equilibrium. Then the two objects in thermal equilibrium with

each other are at the same temperature. Conversely, if two objects have different temperature, they

are not in thermal equilibrium with each other.

Figure 1.15

• Water with a higher temperature will transfer heat to water with a lower temperature

resulting both of the objects to settle at one steady temperature.

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