CAIE A-Level Physics A2 14.2.2 The Scale of Thermodynamic Temperature Does Not Depend on the Property of Topic Practice

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Question 1

[Maximum number: 2]

Fig. 2.1 shows a laboratory thermometer that is calibrated to measure temperature in degrees Celsius.

Fig. 2.1

Fig. 2.1

The thermometer makes use of the fact that the density of mercury varies with temperature.

Explain why the thermometer in Fig. 2.1 does not provide a direct measurement of thermodynamic temperature.

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