Nuclear Physics
Photon energy refers to the energy carried by a single photon, which is a fundamental particle of light. This energy is directly proportional to the frequency of the photon and inversely proportional to its wavelength, following the equation $$E = h u$$, where $$E$$ is the photon energy, $$h$$ is Planck's constant, and $$\nu$$ is the frequency. Understanding photon energy is crucial in analyzing how photons interact with matter, as this interaction often involves energy transfer processes like absorption, emission, or scattering.
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