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Chapter 29 Notes

QuestionAnswer
What is an incident ray? A light wave that strikes a boundary.
What is a reflected ray? A light wave that bounces off a boundary.
What is a line drawn perpendicualar to the point where the incident ray strikes the barrier? Normal.
What does the angle of incidence equal? The angle of reflection.
What is the angle formed between the incident ray and the normal? Angle of incidence.
What is the angle formed between the reflected ray and the normal? Angle of reflection.
What kind of images do plane mirrors produce? Virtual images.
What is an image? A likeness or a reproduction of an object.
What kind of images appear to be in a location where light does not reach? Virtual images.
How are real images formed? By converging light rays.
Which way do convex mirrors curve? Outward.
Which way do concave mirrors curve? Inward.
Which mirrors are flat? Plane mirrors.
Real images are always inverted or upright? Inverted.
Virtual images are always inverted or upright? Upright.
What is the size of an image in a plane mirror? Same size.
What is the size of an image in a convex mirror? Smaller.
What is the size of an image in a close up concave mirror? Larger.
What is the size of an image in a far awat concave mirror? Smaller.
Is the distance of an object in a convex mirror closer or farther than it appears? Farther.
What is deffuse reflection? The reflection of light from a rough surface.
What is an echo? Reflected sound.
What is the study of the reflective properties of surfaces? Acoustics.
Created by: RMcNamara