Question

what is the use of kink in clinical thermometer​

Answer 1

Explanation:

It helps the mercury from falling off

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Answer 2

Answer:

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$<marquee>A 'kink' in the glass tube which breaks the mercury as it contracts,storing the highest temperature reading. The glass tube is shaped like a lens to magnify the thin mercury thread. Shaking the thermometer resets the mercury back into the bulb$