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What is called the ultraviolet catastrophe is a paradox in classical field theory/statistical mechanics which predicts an infinite amount of energy in high frequency (whence: ultraviolet) black body radiation.
The observed absence of the ultraviolet catastrophe in experiment (a kind of null result) led to the hypothesis of energy/frequency-quantization (now expressed by Planck's constant) and hence to the development of quantum physics.
Last revised on January 26, 2019 at 12:26:29. See the history of this page for a list of all contributions to it.