Principle (Physics)


Principle - physical fitness found experimentally and, according to the opinion of scientists and paradigm in physics, universal and general. Rules are experimental, such as the principle of conservation of energy or the principle of entropy growth, and are not derived from any kind of strict description, although they may be based on specific fields of physics such as thermodynamics, classical mechanics or quantum mechanics. This is precisely the principle of physics that differs from the law of physics, which can be derived from the model of the phenomenon in a strict way. The law usually deals with a strictly defined group of physical phenomena, such as Wiena's law, Lenz's law, Ohm's law.

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