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Chapter 29 15 cards
Question | Answer |
---|---|
When a wave reaches a boundry between two media, usually some or all of the wave counces back into the what? | The first medium |
What is the law of reflection? | States that the angle of incidence equals the angle of reflection |
What is a concave mirror? | A mirror that curves inward |
What is a convex mirror? | A mirror that curves outward |
What is the bouncing back of a particle or a wave that strikes a boundary between the two media? | Reflection |
If you are wearing a light blue shirt and you look into a mirror, what color will the shirt in the mirror be? | Light blue |
What kind of images do plane mirrors produce? | Virtual images |
What is an image? | A likeness or a reproduction of an object |
Real images are always _________. | inverted |
When light is incident on a rough surface, what happens to the reflections? | They are reflected in many directions |
If the differences in elevations in a surface are small, the surface is considered___________. | Polished |
What is an echo? | Reflected sound |
What do you call the angle between the reflected ray and the normal? | The angle of reflecion. |
What kind of are formed by converging light rays and can be displayed on a screen? | A real image |
What is the incoming ray called? | Incident ray |