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Giancoli's Physics: Principles with Applications, 7th Edition
27
Early Quantum Theory and Models of the Atom
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27-1: Discovery of the Electron
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27-2: Blackbodies; Planck's Quantum Hypothesis
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27-3 and 27-4: Photons and the Photoelectric Effect
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27-5: Compton Effect
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27-6: Pair Production
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27-8: Wave Nature of Matter
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27-9: Electron Microscope
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27-11 and 27-12: Spectra and the Bohr Model
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 31
Q

The quantity h/mc, which has the dimensions of length, is called the Compton wavelength. Determine the Compton wavelength for

  1. an electron,
  2. a proton.
  3. Show that if a photon has wavelength equal to the Compton wavelength of a particle, the photon’s energy is equal to the rest energy of the particle, mc2mc^2.
A
  1. 2.43×10−12 m2.43 \times 10^{-12} \textrm{ m}
  2. 1.32×10−15 m1.32 \times 10^{-15} \textrm{ m}
  3. see video
Giancoli 7th Edition, Chapter 27, Problem 31 solution video poster
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