The electron is purely a _ when free.
Correct answer: C. Dual nature
- A. Particle nature
- B. Wave nature
- C. Dual nature
- D. It transforms into a photon
Explanation
According to the principles of quantum mechanics, electrons (and other particles) exhibit both wave-like and particle-like behavior. This duality is known as wave-particle duality. When not confined, electrons can exhibit wave-like behavior in certain experiments, such as in electron diffraction patterns. At the same time, they can behave as discrete particles with well-defined positions and momenta.
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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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