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Chapter 8: Spin and Atomic Physics

Expert-verified
Modern Physics
Pages: 289 - 346
Modern Physics

Modern Physics

Book edition 2nd Edition
Author(s) Randy Harris
Pages 633 pages
ISBN 9780805303087

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Illustration

83 Questions for Chapter 8: Spin and Atomic Physics

  1. Question: In nature, lithium exists in two isotopes: lithium-6, with three neutrons in its nucleus, and lithium-7, with four as individual atoms, would these behave as Bosons or as Fermions? Might a gas of either behave as a gas of Bosons? Explain.

    Found on Page 333

  2. What is the angle between Land Sin a (a) 2p3/2and(b) 2p1/2 state of hydrogen?

    Found on Page 343

  3. The general rule for adding angular momenta is given in Exercise 66, when adding angular momenta withj1=2 and j2=32

    Found on Page 344

  4. Using the general rule for adding angular momenta discussed in Section 8.7 and further in Exercise 66, Find the allowed values ofjTfor three spin 12 fermions. First add two, then add the third.

    Found on Page 344

  5. Angular momenta J1and J2interact so that they obey the strict quantum mechanical rules for angular momentum addition. If J1=1and J2=32what angles between J1and J2 allowed?

    Found on Page 344

  6. The angles between S and μSand between L and μLare 180o. What is the angle between J and μJ in a2p32state of hydrogen?

    Found on Page 344

  7. A hydrogen atom is subjected to a magnetic field Bstrong enough to completely overwhelm the spin-orbit coupling. Into how many levels would the 2p level split, and what would be the spacing between them?

    Found on Page 344

  8. What is the angle between the spins in a triplet state?

    Found on Page 344

  9. In its ground state, carbon's 2pelectrons interact to produce jT=0. Given Hund's rule. what does this say about the total orbital angular momentum of these electrons?

    Found on Page 344

  10. In its ground state, nitrogen's 2p electrons interact to produce jT=32. Given Hund's rule, how might the orbit at angular momenta of these three electrons combine?

    Found on Page 344

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