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Byju's Answer
Standard VII
Physics
Thermometers
Which metal i...
Question

Which metal is used in thermometers?


A

Sodium

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B

Mercury

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C

Magnesium

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D

Silver

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Solution

The correct option is B

Mercury


Metals are good conductors of heat. Mercury, being the only liquid metal is a good conductor of heat. This enables the thermal expansion of mercury, which in turn is used in thermometers to indicate the temperature of the body measured.


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