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Prism HTML5


An illustration of light dispersion (separation of light into component colors) through a prism. One of the most important properties of L.A.S.E.R light is illustrated here: It is a monochromatic light (it has a very narrow frequency spectrum).

Click on the bulb or the laser symbol to select a source.

Learning goals

  • To know that white light is the addition of all colors of light.
  • To illustrate the separation of light through a prism.
  • To explain the selectivity of a L.A.S.E.R in terms of wavelength.

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A ray of light passing between two surfaces of a transparent media is refracted according to the laws of refraction (Snell's law). The refractive index of a medium is the ratio of the speeds of…

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