In this Java simulation, users learn about Huygens' Principle by exploring reflection/refraction of waves. A single wavefront is depicted moving along Medium 1. Upon reaching a medium with a different index of refraction, the applet depicts how each point of the advancing wavefront is the center of a fresh disturbance and source of a new train of waves. Users can adjust the refractive index of Medium 1 or 2 and the angle of incidence. Explanations of each step in the process are provided in a text box next to the simulation. This applet is part of a large collection of physics applets and is available in a wide range of languages here: http://www.walter-fendt.de/ph14e/


  • Education > General
  • Mathematics > General

Education Levels:

  • Grade 1
  • Grade 6
  • Grade 8
  • Grade 9


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