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प्रश्न
Why is it advised not to hold the thermometer by its bulb while reading it?
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उत्तर
It is advised not to hold the thermometer by its bulb while reading it because on holding a thermometer by its bulb, the mercury in the bulb expands due to our body temperature and gives a false reading.
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संबंधित प्रश्न
In thermometer when bulb comes in contact with hot object, liquid inside it ______.
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 |
Why do we jerk a clinical thermometer before we measure the body temperature?
Digital thermometers do not use ______.
Mercury is a poor conductor of heat.
Mention the use of laboratory thermometers.
Name the principle which is used in a thermometer.
Why mercury or alcohol is used in thermometers?
Boojho has three thermometers as shown in the following figure. He wants to measure the temperature of his body and that of boiling water. Which thermometer (s) should he choose?
