Question

Describe the construction of mercury thermometer? ​

Answer 1

$\huge\underline\mathfrak{Question :}$

Describe the construction of mercury thermometer?

$\huge\underline\mathfrak\orange{Answer :}$

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A Laboratory thermometer is used for measuring the temperature of liquids and objects

Principle of working: Matter expands on heating.

Constructions:

It is made up of long fine capillary tube of uniform bore and bulb . It is filled with mercury.

the bulb is made relatively larger than its bore to contain more liquid so as to improve sensitivity.

The round glass stem around the capillary tube is made thick. It acts as a magnifying glass.

Range of Clinical Thermometer : -10 degrees C to 120 degree c .

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