PHYS 101 Chapter 15 homework

PHYS 101 Chapter 15 homework - 11/13/07 PHYS 101-02 Chapter...

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11/13/07 PHYS 101-02 Chapter 15 Homework Exercises 5. How can a hydrogen atom, which has only one electron, create so many spectral lines? Hydrogen can create many spectral lines due to the fact that its lone electron can become ionized and move throughout its various orbitals. 6. Which color of light comes from a greater energy transition, red or blue? Explain. The blue color of light has a greater frequency, translating into a greater amount of energy contained in the corresponding photon. 7. Suppose that a certain atom has four energy levels. Assuming that all transitions between levels are possible, how many spectral lines will this atom exhibit? Which transition corresponds to the highest-energy light emitted? Which corresponds to the lowest-energy light emitted? The atom should exhibit six spectral lines. A transition from n=1 to n=4 is the highest- energy light emitted, whereas a transition from n=4 to n=1 is the lowest-energy light emitted. 10. An electron drops from the fourth energy level in an atom to the third level and then to the first level. Two frequencies of light are emitted. How does their combined energy compare with the energy of the single frequency that would have been emitted if the
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PHYS 101 Chapter 15 homework - 11/13/07 PHYS 101-02 Chapter...

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