Spectrophotometry

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Multiple Choice

What is the fundamental principle behind spectrophotometry?

  1. The absorption of light by a sample is directly proportional to its concentration.
  2. The transmission of light through a sample is inversely proportional to its concentration.
  3. The color of a sample is determined by the wavelength of light it absorbs.
  4. The refractive index of a sample is affected by the wavelength of light it absorbs.
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