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Ch. 29 PPT Questions

QuestionAnswer
Light returned by a mirror surface, and not traveling through the mirror is an example of what? Reflection
The direction of waves changing after striking the surface of a transparent medium is an example of what? Refraction
The law of reflection states that the angle of incidence must be equal to what? The angle of reflection
What is a reflection ray? A light wave that reflected of a boundary.
What is the line called that is perpendicular to the point where to incident ray strikes the barrier? Normal
If you look at your brown hair in a mirror what color will it be and why? Brown, because the frequency of the hair color doesn't change.
Plane mirrors produce only what kind of images? Virtual
When standing in front of a mirror, is your virtual image further away? No, it is the same distance behnd the mirror as you are in front of it.
Which type of mirror is best used for security? Convex, because you are able to see a larger area.
What is the shape of a plane mirror? Flat
If you want to produce a real image, would you stand close or far away from a concave mirror? Far away
If am mirror curves inward, what kind of mirror is it? Concave
Whether a surface is a diffuse reflector or a polishd reflector depends on what? The wavelength of the waves it reflects.
What happens when sound energy is not reflected? It is absorbed or transmitted.
When the differences in elevations in a surface are less than 1/8 the wavelength of the light that falls on it, the surface is considered what? Polished
Created by: MorganHessler