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Question
Answer the following in short.
Why is there a slight bend in the capillary tube of a clinical thermometer near the bulb?
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Solution
A slight bend or kink in the capillary tube of the clinical thermometer near the bulb ensures that the mercury does not move back into the bulb when the thermometer is taken out of a person’s mouth for reading.
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Go to a doctor or your nearest health centre. Observe the doctor taking the temperature of patients. Enquire:
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- Whether the temperature of different parts of the body is the same or different.
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