Computer Program Detail Page
written by Andreu Glasmann, Wolfgang Christian, and Mario Belloni
Ready-to-run examples (8)
Waves and Oscillations Illustrations Overview
Physlet® Physics Waves and Oscillations Illustrations demonstrate a type of periodic or oscillatory motion called wave motion. Examples include waves on a string, water waves, earthquakes and sound.
Ill 17.1a: Wave Types
This simulation contains four separate animations. Students will study the similarities and differences between transverse and longitudinal waves.
Ill 17.1b: Water Waves
This is a basic simulation of two-dimensional water waves using fundamental wave motion. Can you figure out what types of waves are depicted?
Ill 17.2: Wave Functions
This illustration allows students to study wave functions and the associated parameters. They are provided with various sliders that control the amplitude, wavelength, and phase.
Ill 17.3: Superposition of Pulses
This illustration simulates what happens when we add together two wave functions. In each animation there are two waves traveling in opposite directions. In animation one they have the same amplitude, and in animation two they have opposite amplitudes.
Ill 17.5: Resonant Behavior on a String
This illustration provides two strings each with multiple pulses traveling down them towards a wall. Each string has a different pulse frequency. Students will explore the effects of "good" versus "bad" timing of pulses and how it influences the wave pattern.
Ill 17.6: Plucking a String
This illustration models a plucked string. Students are introduced to an application of Fourier series by seeing how the individual components add together to model a plucked string.
Ill 17.7: Group and Phase Velocities
This illustration presents two new concepts when dealing with waves. Previously students have dealt with the superposition of two waves traveling in opposition directions. Here, the waves are traveling in the same direction. This simulation calculates the group and phase velocities for the superposition, and explains how these pertain to observable phenomena.
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