What is the use of 'kink' in a
clinical thermometer? options :
1) It helps in rising of mercury in the thermometer
2) It prevents mercury from falling on its own
3) It helps in bringing down mercury in thermometer
4) Kink does not have any use in thermometer
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Answer:
Hi! Your answer is (2) .
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PHYSICS
What is the use of kink in clinical thermometer?
December 26, 2019avatar
Roshini Kosvi
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Kink in the Mercury thermometer helps to prevents the falling of mercury present in capillary tube into bulb. It ensures that the user takes the correct reading of temperature.
That's the reason a person before taking a new reading must give a sudden shake to the clinical thermometer so that the mercury level comes to normal
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