Laboratory Thermometer

Explain why a clinical thermometer is exclusively used to measure the human body temperature and a laboratory thermometer is used to measure the temperatures of different substances but not to measure the human body temperature .

Voltmeter , Ammeter, Galvanometer, Thermometer.

One quality of a thermometer is that its heat capacity should be small. If P is a mercury thermometer, Q is a resistance thermometer and R thermocouple type then

A vertical glass jar is filled with water at 10^(@)C . It has one thermometer at the top and another at the bottom. The central region of the jar is grdually cooled. It is found that the bottom thermometer reads 4^(@)C earlier than the top thermometer. And the top thermometer reads 0^(@)C . earlier than the bottom thermometer. This happens because

Describe the construction of mercury thermometer.