1 Waves Waves Reflection, Refraction, Diffraction, and Interference Reflection, Refraction, Diffraction, and Interference Objectives Objectives Understand how water depth affects amplitude and wavelength Understand how media changes wave speed Recognize and describe the properties of: Wave reflection Wave refraction Wave diffraction Wave interference Understand how water depth affects amplitude and wavelength Understand how media changes wave speed Recognize and describe the properties of: Wave reflection Wave refraction Wave diffraction Wave interference Wave Reflection Wave Reflection Where have you experienced waves reflecting? Echoes Radio waves Bats Where have you experienced waves reflecting? Echoes Radio waves Bats Wave Reflection Wave Reflection Waves reflect like billiard (pool) balls Waves reflect like billiard (pool) balls Wave Reflection Wave Reflection Waves at right angles Waves at right angles Waves at oblique angles Waves at oblique angles Wave Reflection (Ray Diagram) Wave Reflection (Ray Diagram) Incident Ray Reflected Ray Angle of Incidence Angle of Reflection Origin Normal
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1
WavesWaves
Reflection, Refraction, Diffraction, and Interference
Reflection, Refraction, Diffraction, and Interference
ObjectivesObjectives
� Understand how water depth affects amplitude and wavelength
� Understand how media changes wave speed
� Recognize and describe the properties of:
� Wave reflection
� Wave refraction
� Wave diffraction
� Wave interference
� Understand how water depth affects amplitude and wavelength
� Understand how media changes wave speed
� Recognize and describe the properties of:
� Wave reflection
� Wave refraction
� Wave diffraction
� Wave interference
Wave ReflectionWave ReflectionWhere have you experienced waves reflecting?
� Echoes
� Radio waves
� Bats
Where have you experienced waves reflecting?
� Echoes
� Radio waves
� Bats
Wave ReflectionWave Reflection� Waves reflect like billiard (pool) balls� Waves reflect like billiard (pool) balls