Advertisements
Advertisements
प्रश्न
Jyothi was prepared to measure the temperature of hot water with a clinical thermometer. Is it right or wrong? Why?
Advertisements
उत्तर
It is wrong, because clinical thermometer has small temperature range (35°C to 42°C or 94°F to 108°F). If it is used to measure the temperature of hot water, the glass will crack/ burst due to excessive pressure created by expansion of mercury.
APPEARS IN
संबंधित प्रश्न
A thermometer is used to measure ______.
In thermometer when bulb comes in contact with hot object, liquid inside it ______.
What is the use of kink in clinical thermometer?
A clinical thermometer is calibrated from to ______.
Digital thermometer is widely used for the measurement of the temperature due to ______.
Match the following :
| 1. | Mercury | a. | Maximum minimum thermometer |
| 2. | Weather report | b. | -173.15 degree C |
| 3. | 32degree F | c. | Opaque and shining |
| 4. | 100 K | d. | 0 degree C |
Why mercury or alcohol is used in thermometers?
Explain the construction and working of the clinical thermometer.
In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?
You may have noticed that a few sharp jerks are given to a clinical thermometer before using it. Why is it done so?
