Temperature as Measure of Hotness and Coldness and It's Units
Physics
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Temperature
Temperature is a quantity which tells the thermal state of a body (i.e. the degree of hotness or coldness of the body). Its units are: Kelvin(K), degree celsius(oC) and degree fahrenheit(oF).
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Temperature measuring instruments
Some instruments to measure temperature are thermometer, thermocouple, thermistor etc.
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Classification of Hot and Cold Objects
An object is considered hot if its temperature rises from normal temperature. For example : fire,vessel on fire,burning coal, etc. An object is considered cold if its temperature reduces or its very low.For example : Ice cubes and dry ice.