Question

what prevents the Mercury level in the glass tube of a clinical thermometer from falling on its own when its bulb is removed from the mouth of a patient

Answer 1

Answer:

Explanation:

The mercury level expands due to thermal exchange of heat from the body to tube , so heat prevents it from falling .

Answer 2

Answer:

The kink prevents the mercury level in the glass tube to fall to normal when thermometer is removed from the patients mouth

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