Chapter 38: Q. 33 (page 1115)
Determine the wavelengths of all the possible photons that can be emitted from the state of a hydrogen atom.
Short Answer
The Three wavelengths are
Chapter 38: Q. 33 (page 1115)
Determine the wavelengths of all the possible photons that can be emitted from the state of a hydrogen atom.
The Three wavelengths are
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Get started for freea. A negatively charged electroscope can be discharged by shining an ultraviolet light on it. How does this happen?
b. You might think that an ultraviolet light shining on an initially uncharged electroscope would cause the electroscope to become positively charged as photoelectrons are emitted. In fact, ultraviolet light has no noticeable effect on an uncharged electroscope. Why not?
How would the graphs of Figure 38.3 look if classical physics provided the correct description of the photoelectric effect? Draw the graph and explain your reasoning. Include curves for both weak light and intense light
Calculate all the wavelengths of visible light in the emission spectrum of the hydrogen atom.
Electron 1 is accelerated from rest through a potential difference of 100 V. Electron 2 is accelerated from rest through a potential difference of 200 V. Afterward, which electron has the larger de Broglie wavelength? Explain
a. Calculate the de Broglie wavelength of the electron in the states of the hydrogen atom. Use the information in Table 38.2 .
b. Show numerically that the circumference of the orbit for each of these stationary states is exactly equal to n de Broglie wavelengths.
c. Sketch the de Broglie standing wave for the orbit
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