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Ch. 29 PPT Questions
| Question | Answer |
|---|---|
| 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
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