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प्रश्न
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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उत्तर
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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संबंधित प्रश्न
Temperature is measured in degree ______.
One litre of water at 30°C is mixed with one litre of water at 50°C. The temperature of the mixture will be ______.
What does the temperature measure?
What is a clinical thermometer? State its special feature. Draw a labelled neat diagram of a clinical thermometer showing the range of temperature marked on it.
What is the normal temperature of the human body? How is it indicated in a clinical thermometer?
Fill in the blank.
The temperature at which water freezes is known as ..................
State if the following statement is true or false. Correct the statement if it is false.
Water is the most commonly used thermometric substance.
Doctor uses ______ thermometer to measure the human body temperature.
What is the average internal temperature of the human body?
Go to a doctor or your nearest health centre. Observe the doctor taking the temperature of patients. Enquire:
- Why she dips the thermometer in a liquid before use.
- Why the thermometer is kept under the tongue.
- Whether the body temperature can be measured by keeping the thermometer at some place other than the mouth.
- Whether the temperature of different parts of the body is the same or different.
You can add more questions which come to your mind.
