1. This computer visualization activity is designed to help upper-division undergraduate students understand the concepts of reflection and transmission of a single-frequency sinusoidal wave, as well as the continuity of the derivative of the waveform at the boundary.
  2. Students observe the Maple/Mathematica animation of the total waveform and its constituent incident, reflected, and transmitted components. Students ask questions.
  3. The whole class discussion focuses on students' observations and addresses students' questions.

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