Quantum Mechanics and Electric Dipole Absorption

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Questions and Answers

What is directly related to the extinction coefficient?

  • Magnetic susceptibility
  • Electric susceptibility
  • Polarizability
  • Oscillator strength (correct)

In the context of absorption, what must be symmetric with respect to a molecule?

  • Electric susceptibility
  • Polarizability (correct)
  • Magnetic susceptibility
  • Refractive index

What characterizes the strength of the vector interaction in stimulated absorption or emission?

  • Magnetic susceptibility
  • Electric susceptibility
  • Oscillator strength (correct)
  • Refractive index

What is required for a transition to occur in the case of resonance?

<p>Fermi's rule (D)</p> Signup and view all the answers

Which property results in linear dichroism according to the text?

<p>Magnetic susceptibility (A)</p> Signup and view all the answers

What property is associated with the absorption section cross transition as per the text?

<p>Polarizability (A)</p> Signup and view all the answers

What property can be described by the Beer-Lambert Law?

<p>Electric susceptibility (C)</p> Signup and view all the answers

Which technique is commonly used to measure absorbance in spectroscopy?

<p>Fluorescence Spectroscopy (B)</p> Signup and view all the answers

What type of spectra are typically observed for proteins and nucleic acids?

<p>Absorption spectra (D)</p> Signup and view all the answers

Which property is distorted due to light scattering or non-uniform distributions of absorbing molecules?

<p>Absorption spectra (D)</p> Signup and view all the answers

Which spectroscopic technique is based on the absorption of light and subsequent re-emission at a different wavelength?

<p>Fluorescence Spectroscopy (A)</p> Signup and view all the answers

What is the main focus of the Beer-Lambert Law in spectrophotometry?

<p>Understanding absorption and concentration relationship (A)</p> Signup and view all the answers

What property describes the ability of a material to become polarized when placed in an electric field?

<p>Electric susceptibility (A)</p> Signup and view all the answers

Which term refers to the measure of the ease with which an electric dipole can be induced in a material?

<p>Polarizability (C)</p> Signup and view all the answers

What property characterizes the ability of a material to magnetize when subjected to an external magnetic field?

<p>Magnetic susceptibility (A)</p> Signup and view all the answers

Which term describes the ratio of the speed of light in a vacuum to the speed of light in a material?

<p>Refractive index (C)</p> Signup and view all the answers

What term is used to describe the property of a material that absorbs electromagnetic radiation?

<p>Absorptive index (B)</p> Signup and view all the answers

Which type of transition is involved in electronic absorption in materials?

<p>Electronic transition (B)</p> Signup and view all the answers

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