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Science of Vessels

  • The measure of degree of hotness or coldness of a substance is called its temperature.
  • The device that is used to measure the temperature of a substance is called thermometer. Thermometers are of two types:− clinical (used for measuring temperature of human body) and laboratory (used for measuring temperature of common objects). The temperature range of clinical thermometer is 35ºC to 42°C and that of laboratory thermometer is -10ºC to 110ºC. The unit for temperature is °C. The normal temperature of human body is 37°C. 
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