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Understanding Waves: Speed, Wavelength, and Frequency Basics

This guide explores the fundamental characteristics of waves, including speed, wavelength, and frequency. It explains the differences between transverse waves, such as waves on strings, and longitudinal waves, like sound waves. The document covers concepts of pulse direction, reflection at fixed and loose ends, and the relationship between wave motion and time. Learn how to measure displacement versus time and understand wave lengths, speeds, and how waves propagate through different mediums.

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Understanding Waves: Speed, Wavelength, and Frequency Basics

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Presentation Transcript

  1. What is a wave? Speed, wave length and frequency

  2. One vertical Pulse Direction of oscillation Direction of wave propagation Waves on strings = transverse wave

  3. One horizontal Pulse Direction of oscillation Direction of propagation Compression waves = longitudinal wave sound

  4. Reflection at a fixed end Reflected pulse is inverted

  5. Reflection at a loose end Reflected pulse is not inverted

  6. period time Wave motion Displacement versus time at fixed position y

  7. Wave motion Stop! Snapshot at a fixed time. Distance between equivalent points on the wave = wave length  The wave travels a distance of one wave length in the time of one period

  8. Speed of the wave Distance Wave length Speed = = Time period

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