Which of the following thermometers measures te... - JAMB Physics 2023 Question
Which of the following thermometers measures temperature from the thermal radiation emitted by objects?
A
Pyrometer thermometer
B
Platinum resistance thermometer
C
Thermocouple thermometer
D
Constant pressure gas thermometer
correct option: a
A pyrometer thermometer measures temperature from the thermal radiation emitted by objects. Pyrometers are specifically designed to measure high temperatures, and they operate based on the principle that the intensity and colour of the thermal radiation emitted by an object are related to its temperature. Pyrometers are commonly used in applications such as metalworking, industrial processes, and temperature measurement in furnaces.
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