What is the primary interaction of UV-Vis spectroscopy with a sample?

Practice Questions

Q1
What is the primary interaction of UV-Vis spectroscopy with a sample?
  1. Scattering of light
  2. Absorption of light
  3. Emission of light
  4. Reflection of light

Questions & Step-by-Step Solutions

What is the primary interaction of UV-Vis spectroscopy with a sample?
  • Step 1: Understand that UV-Vis spectroscopy is a technique that uses light.
  • Step 2: Know that the light used is in the ultraviolet (UV) and visible (Vis) range.
  • Step 3: Recognize that when light hits a sample, some of it can be absorbed by the molecules in the sample.
  • Step 4: Learn that when molecules absorb this light, it gives energy to their electrons.
  • Step 5: Understand that this energy allows the electrons to move to higher energy levels within the molecule.
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