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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
The hotness of an object is determined by its ______.
Fill in the blank:
The zero mark in Celsius thermometer is the melting point of ...........
Fill in the blank:
The thermometer used to measure the human body temperature is called the ........... thermometer.
A thermometer is graduated in ______.
Fill in the blank.
The lower fixed point in a laboratory thermometer is the same as that of ................
Answer the following in short.
What is the function of the bulb in a thermometer?
Answer the following in detail.
Distinguish between laboratory and clinical thermometers.
Doctor uses ______ thermometer to measure the human body temperature.
The freezing point of alcohol is less than ______.
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.
