A review is given of three methods of defining heat, viz., the definition using the first law of thermodynamics, the definition through heat capacities, and the definition using the ice-calorimeter. It is shown that the concept of heat and a measure for the heat absorbed by a body can be defined in all its generality only through the use of the first law.
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© 1969 American Association of Physics Teachers.
1969
American Association of Physics Teachers
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