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History 181B:  Modern Physics
Worksheet 4
The quantum
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Target date 2/23/01
Questions 1. Define spectrum.
2. What is the relationship between wavelength and frequency?
3. What is a blackbody?  Give two examples.
4. What is the ultraviolet catastrophe?  What impact did it have on Planck?
5. Explain in words the meaning of e = hn.
6. What is the photoelectric effect?
7. How is it explained by the light quantum?
Copyright © Cathryn Carson 2001