what is the principle behind the working of thermometer
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Answered by
1
Answer:
Expansion
Explanation:
when the temperature of any material rises the volume of the mercury expends and hence we can take the reading
Answered by
2
Answer:
These liquid thermometers are based on the principal of thermal expansion. When a substance gets hotter, it expands to a greater volume. Nearly all substances exhibit this behavior of thermal expansion. It is the basis of the design and operation of thermometers.
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