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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
Describe a clinical thermometer. How does it differ from the thermometer used in laboratory?
Mercury is often used in laboratory thermometers because it ______.
The common laboratory thermometer is a ______ thermometer
State the similarities and differences between the laboratory thermometer and the clinical thermometer
Before use, the mercury level in clinical thermometer should be below ______.
Mercury is a poor conductor of heat.
Fahrenheit scale is more sensitive that the Celsius scale.
We are advised to avoid keeping the clinical thermometer in the sun or near a flame. Why?
Write a note on the laboratory thermometer.
write a note on a digital thermometer.
