why is there a bend in the mercury thermometer?
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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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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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