In 1900, who proposed a formula which explained in detail the whole shape of the black body spectrum for all wavelengths:
Correct answer: D. Max Planck
- A. Rayleigh
- B. Wein
- C. Einstein
- D. Max Planck
Explanation
In 1900, Max Planck proposed a formula that explained in detail the shape of the blackbody spectrum for all wavelengths. This formula, known as Planck's law, described the distribution of intensity of radiation emitted by a black body at a given temperature across the entire electromagnetic spectrum. Planck's work was a significant breakthrough and marked the beginning of quantum theory.
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About Dawn of Modern Physics
Classical physics cannot explain blackbody radiation and related observations, leading to Planck’s quantum theory, in which energy is emitted or absorbed in discrete packets. Photons provide the particle model of light, with energy and momentum linked to frequency and wavelength, including the photoelectric effect and its threshold frequency.
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