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प्रश्न
Why do we jerk a clinical thermometer before we measure the body temperature?
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उत्तर
The jerk to the thermometer will allow the mercury level to flow into the bulb so that the mercury level is below the normal temperature.
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संबंधित प्रश्न
In thermometer when bulb comes in contact with hot object, liquid inside it ______.
Match the following
| i. | Clinical thermometer | A form of energy |
| ii. | Normal temperature of human body | 100°C |
| iii. | Heat | 37°C |
| iv. | Boiling point of water | 0°C |
| v. | Melting point of water | Kink |
Jyothi was prepared to measure the temperature of hot water with a clinical thermometer. Is it right or wrong? Why?
Why do we use Mercury in thermometers? Can water be used instead of mercury? What are the problems in using it?
Before use, the mercury level in clinical thermometer should be below ______.
Mercury is a poor conductor of heat.
What is the boiling point of mercury?
Figure (a–d) shows a student reading a doctor’s thermometer. Which of the figure indicates the correct method of reading temperature?
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?
How does a clinical thermometer differ from the thermometer used in the laboratory?
