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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 ______.
An iron ball at 40°C is dropped in a mug containing water at 40°C.
The heat will ______.
Fill in the blank:
The zero mark in Celsius thermometer is the melting point of ...........
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 ..................
State if the following statement is true or false. Correct the statement if it is false.
A laboratory thermometer has a kink in its capillary tube.
International unit of measuring temperature is ______.
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.
