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Chapter 40: One-Dimensional Quantum Mechanics

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Pages: 1141 - 1177

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57 Questions for Chapter 40: One-Dimensional Quantum Mechanics

  1. FIGURE Q40.1shows the de Broglie waves of three equal-mass particles. Which one is moving most slowly

    Found on Page 1174
  2. The electrons in a rigid box emit photons of wavelength1484nmduring the3s2 transitio

    Found on Page 1174
  3. The energy of an electron in a 2.00eVdeep potential well is 1.50eV. At what distance into the classically forbidden region has the amplitude of the wave function decreased to 25% of its value at the edge of the potential well?

    Found on Page 1175
  4. An electron in a finite potential well has a 1.0nm penetration distance into the classically forbidden region. How far below U0 is the electron’s energy?

    Found on Page 1175
  5. A helium atom is in a finite potential well. The atom’s energy is1.0eVbelow U0. What is the atom’s penetration distance into the classically forbidden regio

    Found on Page 1175
  6. Sketch the n=4 wave function for the potential energy shown in FIGURE

    Found on Page 1175
  7. Sketch the n=8wave function for the potential energy shown in FIGUR

    Found on Page 1175
  8. Sketch the n=1 and n=7 wave functions for the potential energy shown in FIGURE EX40.15

    Found on Page 1175
  9. The graph in FIGURE EX40.16 shows the potential-energy function U(x of a particle. Solution of the Schrödinger equation finds that the n=3 level has E3=0.5eVand that the n=6 level has E6=2.0eV

    Found on Page 1175
  10. An electron is confined in a harmonic potential well that has a spring constant of 2.0 N/m. a. What are the first three energy levels of the electron? b. What wavelength photon is emitted if the electron undergoes a 3 S 1 quantum jump?

    Found on Page 1175

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