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Chapter 29 Questions
| Question | Answer |
|---|---|
| What is the Law of Reflection? | the angle of incidence=the angle of reflection |
| What happens when a wave reaches a boundary between two medias? | Usually some or all of the wave bounces back into the first medium. |
| True or False. Plane mirrors only produce virtual images? | True. |
| What happens when light is incident on a rough surface? | It is reflected in many directions. |
| True or False. Sound energy not reflected is absorbed or transmitted. | True. |
| Materials such as ____ and ___ are not as rigid to light waves. | glass and water |
| What is the shape of a plane mirror? | flat. |
| What is the shape of a convex mirror? | curved out ( |
| What is the shape of a concave mirror? | curved in ) |
| What type of image does a concave (far away) make? | real or inverted |
| What is an example of a concave (close up) mirror? | A makeup mirror. |
| What is reflected sound called? | An echo. |
| What is most important to remember about metals and light waves? | Metals surfaces are rigid to light waves, light energy is reflected back and makes metals look shiny, and they contain all frequencies of visible light. |
| What happens when light shines perpendicularly on the surface of still water? | 2 percent of its energy is reflected and the rest is transmitted. |
| What happens when light strikes glass perpendicularly? | 4 percent of the energy is reflected and except for a slight losses, the rest is transmitted. |
Created by:
kwertenberge
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