CAIE A-Level Physics 14.2.2 Thermodynamic Temperature
Practise explaining that thermodynamic temperature is defined independently of the temperature-dependent property of any particular substance.
- Syllabus
- 2028–2030
- Course
- Physics 9702
- Level
- A2
Exam points
- explain that the thermodynamic temperature scale does not depend on the property of a particular substance
14.2.2—The scale of thermodynamic temperature does not depend on the property of question 1
Fig. 2.1 shows a laboratory thermometer that is calibrated to measure temperature in degrees Celsius.
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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