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17.3 Behavior of Waves

Learn about transverse and longitudinal waves, frequency, wavelength, and amplitude measurement. Discover how reflection, refraction, diffraction, and interference shape wave behavior, including constructive and destructive interference and standing waves.

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17.3 Behavior of Waves

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  1. 17.3 Behavior of Waves

  2. Review • What is a transverse wave? • What is it’s highest and lowest point? • What are longitudinal waves? • What is frequency? • What is wavelength? • How do you measure amplitude?

  3. Reflection • Reflection- occurs when a wave bounces off a surface that it cannot pass through • Reflection does not change the speed or frequency of a wave, but the wave can be flipped upside down

  4. Refraction • Refraction- the bending of a wave as it enters a new medium at an angle. • When a wave enters a medium at an angle, refraction occurs because one side of the wave moves more slowly than the other side.

  5. Diffraction • Diffraction- the bending of a wave as it moves around an obstacle or passes through a narrow opening • A wave diffracts more if its wavelength is large compared to the size of an opening or obstacle.

  6. Interference • Interference- occurs when 2 or more waves overlap and combine together • 2 types: • Constructive-occurs when 2 or more waves combine to produce waves with larger displacements • Destructive- occurs when 2 or more waves combine to produce a wave with a smaller displacements

  7. Constructive Interference

  8. Destructive Interference

  9. Standing wave • Pg 512

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