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Question
Which among the following thermometers have a kink to prevent mercury level falling on its own?
Which among the following thermometers have a kink to prevent mercury level falling on its own?
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Solution
The correct option is B Clinical Thermometer
Clinical thermometer has a kink which blocks mercury from falling down from its measured value when contact is removed with the human body. Hence once the temperature is taken, it is given a shake so that it goes down to default value.
Clinical thermometer has a kink which blocks mercury from falling down from its measured value when contact is removed with the human body. Hence once the temperature is taken, it is given a shake so that it goes down to default value.
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