A photon strikes a metal with a work function of o and produces a photoelectron with a de Broglie wavelength equal to the wavelength of the original photon. a.) Show that the energy of this photon must have been given by: P(mec2 –L) E = where me is the mass of the electron. męc2-o Hint: Begin with conservation of energy: E + mec2= q + [ (pc)2+ (mec²)²]2 = 6.35 eV), determine the resulting b.) If one of these photons strikes platinum (p maximum speed of the photoelectron.
A photon strikes a metal with a work function of o and produces a photoelectron with a de Broglie wavelength equal to the wavelength of the original photon. a.) Show that the energy of this photon must have been given by: P(mec2 –L) E = where me is the mass of the electron. męc2-o Hint: Begin with conservation of energy: E + mec2= q + [ (pc)2+ (mec²)²]2 = 6.35 eV), determine the resulting b.) If one of these photons strikes platinum (p maximum speed of the photoelectron.
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A photon strikes a metal with a work function of φ and produces a photoelectron with a de Broglie wavelength equal to the wavelength of the original photon.
![A photon strikes a metal with a work function of o and produces a photoelectron with
a de Broglie wavelength equal to the wavelength of the original photon.
a.) Show that the energy of this photon must have been given by:
P(mec²-
E =
where me is the mass of the electron.
męc2-p
Hint: Begin with conservation of energy: E + męc2= p + [ (pc)²+ (mec2)²]2
b.) If one of these photons strikes platinum (o = 6.35 eV), determine the resulting
maximum speed of the photoelectron.
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Transcribed Image Text:A photon strikes a metal with a work function of o and produces a photoelectron with
a de Broglie wavelength equal to the wavelength of the original photon.
a.) Show that the energy of this photon must have been given by:
P(mec²-
E =
where me is the mass of the electron.
męc2-p
Hint: Begin with conservation of energy: E + męc2= p + [ (pc)²+ (mec2)²]2
b.) If one of these photons strikes platinum (o = 6.35 eV), determine the resulting
maximum speed of the photoelectron.
%3D
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