| Lecture
4A Wave Basics Wave Measures Wave Collisions Interference Reflect,Refract, & Diffract Sound Waves Doppler Effect WaveSimulation 1 Infrasound Recording Processing Examples WaveSimulation 2 |
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| Reflection, Refraction & Diffraction of Waves |
When a wave hits a barrier, it will be reflected depending on the direction of the barrier (normal).
The angle between the incident wave and the normal is the same as the angle between the normal and the reflected wave.
When a wave enters a different medium (more shallow region) at an angle, the direction of waves changes.
This change is called refraction.
When a wave travels through a small hole in a barrier, it bends around the edges. This is called Diffraction.
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