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प्रश्न
Answer the following in detail.
Distinguish between laboratory and clinical thermometers.
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उत्तर
| Laboratory thermometer | Clinical thermometer |
| (1) It is used to measure temperatures for scientific purposes in a laboratory. | (1) It is used to measure the temperature of the human body. |
| (2) The kink is not present. | (2) A slight bend or kink is present near the bulb. |
| (3) The lower fixed point is - 10°C and the upper fixed point is 110°C. | (3) The lower fixed point is 35°C or 95° F and the upper fixed point is 42°C or 108° F. |
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संबंधित प्रश्न
One litre of water at 30°C is mixed with one litre of water at 50°C. The temperature of the mixture will be ______.
Write true or false.
S.I. unit of temperature is Fahrenheit.
Fill in the blank:
The thermometer used to measure the human body temperature is called the ........... thermometer.
Fill in the blank:
The normal temperature of human body is ............ °C or...........°F.
Fill in the blank.
The lower fixed point in a laboratory thermometer is the same as that of ................
Fill in the blank.
The temperature at which water freezes is known as ..................
Answer the following in a word or two or in a sentence.
At what temperature is the upper fixed point of a clinical thermometer kept?
The freezing point of alcohol is less than ______.
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.
