From the given options select a device that is used to measure temperature.
A
Sphygmomanometer
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B
Thermometer
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C
Thermostat
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D
Stethoscope
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Solution
The correct option is B
Thermometer
A thermometer is an instrument used for measuring and indicating temperature. It consists of a narrow, hermetically sealed glass tube marked with graduations, having a bulb at one end containing mercury or alcohol which expands along the tube with the rise in temperature.