Question

what is the principle used in the mercury thermometer ​

Answer 1

Answer:

The principal used in any thermometer is expansion and contraction of liquid, i.e. mercury, according to the increase and decrease in temperature. When the temperature of body increases then mercury expands while when temperature of body decreases mercury contracts. The thermometer us labelled in any particular scale.

Answer 2

Answer:

The principal used in any thermometer is expansion and contraction of liquid, i.e Mercury, according to the increase and decrease in temperature. when the temperature of body increase then Mercury expand while when temperature of body decrease Mercury contracts. The thermometer us labelled in the particular scale.

Explanation:

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