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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 |