Wave Motion
Headings: - Wave Graphs - Traveling Waves - Waves on a Pond Content: Waves may be graphed as a function of time or distance. A single frequency wave will appear as a sine wave in either case. From the distance graph the wavelength may be determined. From the time graph, the period and frequency can be obtained. From both together, the wave speed can be determined. This is an example of the transverse waves produced by bubbles rising from the bottom of this clear pool along the Icefields Parkway in Alberta, Canada. Although not exactly a circle, and not exactly a sine wave, these ripples show the tendency of surface disturbances to produce traveling waves in all directions from the source.
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Introduction
Wave Motion Fundamentals
- Wave Propagation: Waves, such as ripples from a pebble in a pond, move outward from a source in concentric circles.
- Transverse Motion: Objects (like a fishing float) bob up and down as a wave passes, demonstrating the characteristics of transverse waves.
- Mathematical Basis: Traveling wave parameters are governed by basic motion equations and definitions of periodic motion.
- Idealization vs. Reality:
- Simple pond ripples are used to demonstrate sinusoidal transverse waves.
- Actual ocean waves are significantly more complex, involving water circulation rather than simple harmonic motion.
- Examples:
- Pebble impact on a pond.
- Bubbles rising from the bottom of a pool (Icefields Parkway, Alberta, Canada).
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