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Chapter 29Reflection
vocabulary words 1-8
Question | Answer |
---|---|
The bouncing back of a particle or wave that strikes the boundry between two media. | Reflection |
The line perpendicular to a surface. | Normal |
Angle between an incident ray and the normal to a surface. | Angle of incidence |
Angle between a reflected ray and the normal to a surface. | Angle of reflection |
The angle of incidence for a wave that strikes a surface is equal to the angle of reflection. | Law of Reflection |
An image formed through reflection or refraction that can be seen by an observer but cannot be projected on a screen because light from the object doesn't come to a focus. | Virtual Image |
The reflection of waves in many directions from a rough surface. | Diffuse Reflection |
Persistance of sound, due to multiple reflections. | Reverberations |