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Giancoli 7th Edition textbook cover
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 65
Q

Suppose an electron was bound to a proton, as in the hydrogen atom, but by the gravitational force rather than by the electric force. What would be the radius, and energy, of the first Bohr orbit?

A
r1=1.203×1029 m, E1=−4.21×10−97 Jr_1 = 1.203 \times 10^{29} \textrm{ m, } E_1 = -4.21 \times 10^{-97} \textrm{ J}
Giancoli 7th Edition, Chapter 27, Problem 65 solution video poster
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