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Ch. 29 15 Questions

physics

QuestionAnswer
When light doesn't travel through a mirror, but returned by the mirror's surface the waves are reflected
When waves go through a surface and their direction changes they are refracted
Waves that are transmitted can be refracted
When a wave reaches a boundary between 2 media what happens... some or all of the waves bounce back into the first medium
reflection the return of a wave back into its original medium
Law of reflection states that the angle of incidence and the angle of reflection are the same
normal a line perpendicular to the surface
angle of incidence angle between an angle of incidence and the normal to a surface
angle of reflection angle between reflected ray and the normal to a surface
plane mirrors produce only virtual images
virtual images are always right side up
Convex Curved outward and produce a smaller and farther away image
concave (close up) curved in up right lager and closer image
concave (far away) curved in inverted (real) smaller and farther away image
When light is incident on a rough surface it is reflected in many directions
Diffuse reflection the reflection of light on a rough surface
Paper encounters millions of tiny flat surfaces facing all directions so they are reflected in all directions can be seen from many directions
a smooth mirrior is only reflected in one direction can only be seen in certain directions
Sound energy is not reflected is absorbed or transmitted
An echo is reflected sound
more sound energy is reflected from rigid and smooth surfaces
What's the study of reflective properties of surfaces is acoustics
When designing a auditorium the balance between what 2 things is desired? reverberation and absorption
Created by: ksondermann