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Physics:Temperature (What is temperature? (Is a number assigned to measure…
Physics:Temperature
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0 vs Nothing
Zero is a reference(fixed) point used when calibrating a thermometer . When an object's temperature is 0 degrees Celsius, it does have some degree of "hotness". The Celsius scale does not begin with an absolute zero degree of hotness.
"Nothing" on the other hand is different as it really means nothing at all(non existent, etc)
Thermometric substances
Their properties
Volume of a liquid, e.g. mercury-in-glass thermometer
Electrical resistance of a wire, e.g. resistance thermometer
Electromotive force (e.m.f), e.g by a thermocouple
what are they
The thermometric substance is the material used in the thermometer, whose property varies with temperature
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