Which of the following thermometers is used to measu...
Which of the following thermometers is used to measure the temperature of the human body?
Thermocouple
Alcohol-in-glass thermometer
Gas thermometer
Platinum resistance thermometer
Correct answer is B
The range of usefulness of the thermometer is set by the boiling point of the liquid used. In the case of the ethanol-filled thermometer, the upper limit for measurement is 78 °C (172.4 °F), which makes it useful for measuring daytime, nighttime and body temperatures, although not for anything much hotter than these.
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