PLANCK'S RADIATION LAW Definition & Meaning

Planck's radiation law

noun

Physics.

the law that energy associated with electromagnetic radiation, electromagnetic radiation, as light, is composed of discrete quanta of energy, each quantum equal to Planck's constant times the corresponding frequency of the radiation: the fundamental law of quantum mechanics.
the law giving the spectral distribution of radiation from a blackbody.

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�y��vlog History and Origins

Origin of Planck's radiation law¹

First recorded in 1905–10; named after M. K. E. Planck

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Example Sentences

Examples have not been reviewed.

In 1900, some six years of work had led Max Planck to the correct mathematical form of the frequency spectrum known as Planck’s Radiation Law.

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In 1924, Satyendra Nath Bose derived Planck’s Radiation Law in a manner completely free of classical mechanics artifacts.

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Ever since its introduction in 1900, Planck’s Radiation Law was known to be less than a full-fledged quantum theory.

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With his work in 1916–1917, Einstein had come closer than anyone to a full quantum derivation of Planck’s Radiation Law, but in the end, he had to make assumptions that caused him to fall short too.

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