Question

Why can't we use a laboratory thermometer to check temperature of human body ​

Answer 1

Answer:

A laboratory thermometer cannot be used to measure the human body temperature. This is because as soon as we take out the bulb of the laboratory thermometer from our mouth, the level of mercury in its tube will start falling quickly.

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Answer 2

Answer:

we can't use laboratory thermometer to check the body temperature because after measuring the temperature the raised para falls down very fastly due to which we will unable to see the temperature