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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
Mercury is often used in laboratory thermometers because it ______.
Draw the diagram of a clinical thermometer and label its parts.
State the similarities and differences between the laboratory thermometer and the clinical thermometer
A clinical thermometer is calibrated from to ______.
The thermometer which ranger from -10°C to 110°C is ______.
Digital thermometers do not use ______.
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?
Write a note on the laboratory thermometer.
write a note on a digital thermometer.
