Demonstration for Additive Colors by Defocus Blur

• Wenqing Sun ^[1] ; Jun Wang ^[1]
  1. [1] Suzhou University of Science and Technology

     Suzhou University of Science and Technology

     China

     
• Localización: The Physics Teacher, ISSN 0031-921X, Vol. 57, Nº. 7, 2019, págs. 498-499
• Idioma: inglés
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• Resumen

  • Additive colors are interesting to young students. In this paper, we show a convenient and straightforward method to demonstrate this phenomenon by projector. It produces defocus blur and reduces imaging quality for color mixing. We believe this demonstration experiment can be performed in most classrooms