The action of liquid thermometers is due to the expansion of the liquid when heated. Does the glass of which the bulb and tube

The action of liquid thermometers is due to the expansion of the liquid when heated. Does the glass of which the bulb and tube of the thermometer are made expand when heated? If so, is the expansion of the glass tube and the liquid inside the thermometer the same?

Both the glass tube and the liquid inside the thermometer expand when heated. But the liquid with the same temperature change expands much more, due to which the liquid column increases when heated, otherwise the use of glass in liquid thermometers would become impossible.

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