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Text File  |  1992-09-02  |  383b  |  10 lines

  1. In optics, the splitting of white light into
  2. a spectrum; for example, when it passes
  3. through a prism or a diffraction grating. It
  4. occurs because the prism (or grating) bends
  5. each component wavelength to a slightly
  6. different extent. The natural dispersion of
  7. light through raindrops creates a rainbow.
  8. Dispersion also refers to the distribution of
  9. microscopic particles in a colloid.
  10.