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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
The body temperature of a healthy man is;
Mercury is often used in laboratory thermometers because it ______.
The common laboratory thermometer is a ______ thermometer
Why do we use Mercury in thermometers? Can water be used instead of mercury? What are the problems in using it?
Draw the diagram of a clinical thermometer and label its parts.
Digital thermometer is widely used for the measurement of the temperature due to ______.
Digital thermometers do not use ______.
Mercury is a poor conductor of heat.
Explain the construction and working of the clinical thermometer.
Figure (a–d) shows a student reading a doctor’s thermometer. Which of the figure indicates the correct method of reading temperature?
