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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 |
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