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प्रश्न
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?
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उत्तर
It is a property of mercury to expand when heated. Hence, after expansion, it rises in the capillary tube.
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संबंधित प्रश्न
The common laboratory thermometer is a ______ thermometer
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 |
A clinical thermometer is not used to measure the temperature of air, why?
State the similarities and differences between the laboratory thermometer and the clinical thermometer
Fahrenheit scale is more sensitive that the Celsius scale.
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 |
Name the principle which is used in a thermometer.
We are advised to avoid keeping the clinical thermometer in the sun or near a flame. Why?
Explain the construction and working of the clinical thermometer.
Write a note on the laboratory thermometer.
