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    • #15384
      Profile photo of Andrew Normand

      Use one slide (and hence one slide projector) to show colour addition.
      You’ll need primary colour filters/gels to make up your slide. You’ll also need 3 mirrors and a slide projector.

    • #15385
      Profile photo of Andrew Normand

      There is a Physics Education article that goes with this demonstration. Some newer ray-boxes have mirrors on the sides to enable students to do a similar demo.

      Themes: Light

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