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Chapter 29. 15 Q.s
|When waves interact with matter, they can be..
|reflected, transmitted, or a combination of both
|What states that the angle of incidence and the angle of reflection are equal to each other?
|The Law of Reflection
|What is the angle formed between the incident ray and the normal?
|The angle of incidence
|Plane mirrors produce only..
|A security mirror is what type of mirror?
|What does an image look like close to a concave mirror?
|larger and farther away
|Is a bathroom mirror concave, convex, or plane?
|What happens when light hits a rough surface?
|the light is reflected in many directions
|If the differences in elevations in a surface are only about one-eighth the wavelength that falls on it, what is the surface considered?
|What is a reflected sound?
|Is more sound reflected from a rigid or smooth surface, or a soft or irregular surface?
|rigid or smooth
|What happens to sound energy if it is not reflected?
|It is absorbed or transmitted
|When the reflective surfaces are more absorbent, is the sound level higher or lower?
|In a convex mirror, does an object appear closer or farther away?
|What is formed by converting light rays and can be displayed on a screen?