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17.3 Behavior of Waves

17.3 Behavior of Waves. 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?. Reflection.

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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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