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Ch. 29 15 ppt
powerpoint questions
| Question | Answer |
|---|---|
| Light doesn't travel through a mirror but is _________. | reflected |
| When light hits a transparent suface like water at an angle, the direction changes. These waves are __________. | refracted |
| What is rigid to light waves? | metal surfaces |
| What is the law of reflection? | The angle of incidence and the angle of reflection are equal to each other. |
| What's the name of a wave that strikes a boundary? | An incident wave. |
| A line drawn perpendicular to the point where the incident ray strikes the barrier is called? | the normal |
| The angle formed between the incident ray and the normal. | the angle of incidence |
| The angle formed between the reflected ray and the normal. | the angle of reflection |
| what do plane mirrors produce? | virtual images. |
| Your eye ______ tell the difference between an object and it's virtual image. | cannot. |
| What is the name of a mirror that curves outward? | Convex |
| What is the name of a mirror that curves inward? | concave |
| Examples of this mirror are security mirrors and the passenger mirror in a car. | Convex |
| What is an image? | A likeness or reproduction of an object. |
| Virtual images appear how? | Upright |
| Real images are _____? | Inverted |