Photoelectronic Spectroscopy (College)
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Photoelectronic Spectroscopy
1.
How is energy transferred?
- in packets of energy called protons
- in the form of subatomic particles
- in the form of photons and subatomic particles
- in the form of photons
2.
Which of the following equations represents the energy lost or gained?
- [math]∆E=∆mc^2[/math]
- [math]∆E=∆(mc)^2[/math]
- [math]∆E=nhv[/math]
- [math]∆E={nh}/v[/math]
3.
Which of the following is a correct conclusion of the photoelectric effect?
- Light at a 90º angle ejects electrons out of a material
- Light at a 45º angle ejects electrons out of a material
- Incident light ejects electrons from a material
- None of the above
4.
What can be determined using photoelectronic spectroscopy?
- Activation energy
- Energy needed to retain the photon on the surface
- Energy needed to eject electrons from the material
- None of the above
5.
Which of the following equations correctly represents the kinetic energy of the emitted photoelectron?
- [math]E_k=hv[/math]
- [math]E_k=E_I[/math]
- [math]E_k=hv+E_I[/math]
- [math]E_k=hv-E_I[/math]
6.
Which of the following forms of radiation would a sample need to be exposed to in photoelectronic spectroscopy?
- Infrared
- Microwaves
- Visible Light
- UV
7.
What is one difference between photoelectronic spectroscopy and measurements of first ionization energy?
- Photoelectronic spectroscopy only measures the first ionization energy using electrons removed from the outermost shell
- There is no distinction between them
- Photoelectronic spectroscopy can be measured using an electron removed from any energy level
- The kinetic energy of all electrons are measured in photoelectronic spectroscopy
8.
Which of the following can be inferred from the results of photoelectronic spectroscopy?
- It allows the structure of protons to be observed
- It allows the electronic structure of atoms to be determined
- It allows the structure of neutrons to be observed
- None of the above
9.
2s and 2p have different energy because s has a stronger penetrating ability than p does.
- True
- False
10.
Distinguish between the incident light involved in X-Ray and UV photoelectronic spectroscopy.
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