The Shadow Knows: Inferring the Density Distribution of a Nonuniform Medium from its Standing Wave Pattern

• Autores: Philippe Binder, Ian Cunnygham
• Localización: The Physics Teacher, ISSN 0031-921X, Vol. 50, Nº. 5, 2012, pág. 266
• Idioma: inglés
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• Resumen

  • In a recent note in this journal,1 Gluck presents a beautiful demonstration of the standing wave generated by a strip of material with linearly varying width (a trapezoid). As expected, the resulting wave envelope (and its shadow) showed a varying wavelength�smaller as the strip width gets larger