Chapter 6: Problem 25
Do the various spectral lines of the hydrogen atom overlap?
Chapter 6: Problem 25
Do the various spectral lines of the hydrogen atom overlap?
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Get started for freeA photon of wavelength \(700 \mathrm{nm}\) is incident on a hydrogen atom. When this photon is absorbed, the atom becomes ionized. What is the lowest possible orbit that the electron could have occupied before being ionized?
Give at least one argument in support of the matterwave hypothesis.
Experiments are performed with ultracold neutrons having velocities as small as \(1.00 \mathrm{m} / \mathrm{s}\). Find the wavelength of such an ultracold neutron and its kinetic energy.
The work function for barium is 2.48 eV. Find the maximum kinetic energy of the ejected photo electrons when the barium surface is illuminated with: (a) radiation emitted by a 100 -kW radio station broadcasting at 800 \(\mathrm{kHz} ;\) (b) a 633 -nm laser light emitted from a powerful HeNe laser; and (c) a 434-nm blue light emitted by a small hydrogen gas discharge tube.
(a) What is the energy of an electron whose de Broglie wavelength is that of a photon of yellow light with wavelength 590 nm? (b) What is the de Broglie wavelength of an electron whose energy is that of the photon of yellow light?
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