Question

Why does the mercury not fall or rise in a clinical thermometer when taken out of the mouth​

Answer 1

Answer:

Explanation:

In clinical thermometers, there is a small bent at the bottom of the tube containing mercury. It is called a kink. The kink prevents the mercury level from falling down on its own. Due to this, the temperature does not decrease immediately after removing the thermometer from the mouth.

Answer 2

because it absorb some temperature and at room temperature it doesn't raise or down