PHYS 102 Chapter Notes - Chapter 27: Compton Scattering, Chapter 27, Photon
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PHYS 102 Full Course Notes
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Chapter 27: early quantum theory and models of the atom. Quantum theory has its origins in planck"s quantum hypothesis that molecular oscillations are quantized: their energy can only be integer ((cid:1866)) multiples of , where is planck"s constant and is the natural frequency of oscillation: This hypothesis explained the spectrum of radiation emitted by a blackbody at high temperature. Photon theory of light and the photoelectric effect. Einstein proposed that for some experiments, light could be pictured as being emitted and absorbed as quanta (particles), which we now call photons, each with energy: He proposed the photoelectric effect as a test for the photon theory of light. In the photoelectric effect, the photon theory says that each incident photon can strike an electron in a material and eject it if it has sufficient energy. The maximum energy of ejected electrons is then linearly related to the frequency of the incident light.
