give reasons : a clinical thermometer has a slight bend or kink in it's capillary tube
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Answered by
78
The kink prevents the mercury in the capillary to fall back into the bulb.
So it separates the high temperature mercury and cool temperature mercury and allow the user to take a reading when the thermometer is taken out.
arpitujjwal:
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Answered by
33
The kink prevents the mercury in the capillary to fall back into the bulb.
So it separates the high temperature mercury and cool temperature mercury and allow the user to take a reading when the thermometer is taken out.
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