The mercury does not fall or rise in a clinical thermometer when taken out of the mouth. Explain why.
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Due to the presence of the kink, the mercury does not fall or rise in a clinical thermometer when taken out of the mouth.
What do you know about a mercury thermometer and its uses?
A mercury thermometer is a glass tube filled with yellowish mercury.- A standard temperature scale is marked on the tube to measure the temperature of the human body and other objects.
- However, as the temperature changes, the mercury inside the tube expands and contracts.
- Any change in temperature can be read from the scale.
- Moreover, the temperature is measured on the Celcius scale and it is measured up to 1°C.
Learn more about
What is the relation between Celsius and Kelvin scale of reading temperature?
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