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Photoelectronic Spectroscopy (College)

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Photoelectronic Spectroscopy

How is energy transferred?
  1. in packets of energy called protons
  2. in the form of subatomic particles
  3. in the form of photons and subatomic particles
  4. in the form of photons
Which of the following equations represents the energy lost or gained?
  1. [math]∆E=∆mc^2[/math]
  2. [math]∆E=∆(mc)^2[/math]
  3. [math]∆E=nhv[/math]
  4. [math]∆E={nh}/v[/math]
Which of the following is a correct conclusion of the photoelectric effect?
  1. Light at a 90º angle ejects electrons out of a material
  2. Light at a 45º angle ejects electrons out of a material
  3. Incident light ejects electrons from a material
  4. None of the above
What can be determined using photoelectronic spectroscopy?
  1. Activation energy
  2. Energy needed to retain the photon on the surface
  3. Energy needed to eject electrons from the material
  4. None of the above
Which of the following equations correctly represents the kinetic energy of the emitted photoelectron?
  1. [math]E_k=hv[/math]
  2. [math]E_k=E_I[/math]
  3. [math]E_k=hv+E_I[/math]
  4. [math]E_k=hv-E_I[/math]
Which of the following forms of radiation would a sample need to be exposed to in photoelectronic spectroscopy?
  1. Infrared
  2. Microwaves
  3. Visible Light
  4. UV
What is one difference between photoelectronic spectroscopy and measurements of first ionization energy?
  1. Photoelectronic spectroscopy only measures the first ionization energy using electrons removed from the outermost shell
  2. There is no distinction between them
  3. Photoelectronic spectroscopy can be measured using an electron removed from any energy level
  4. The kinetic energy of all electrons are measured in photoelectronic spectroscopy
Which of the following can be inferred from the results of photoelectronic spectroscopy?
  1. It allows the structure of protons to be observed
  2. It allows the electronic structure of atoms to be determined
  3. It allows the structure of neutrons to be observed
  4. None of the above
2s and 2p have different energy because s has a stronger penetrating ability than p does.
  1. True
  2. False
Distinguish between the incident light involved in X-Ray and UV photoelectronic spectroscopy.

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