Reflection and Color Flashcards

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1
Q

What is a Light Ray?

A

A model for light used to describe all the effects of light at the scale of everyday experience.

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2
Q

What is Geometrical Optics?

A

The study of the behavior or light as a ray.

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3
Q

What is a Ray Diagram?

A

The tracing of the path of light in geometrical drawings.

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4
Q

What is Diffuse Reflection?

A

The reflection of light in random directions.

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5
Q

What is the Law of Reflection?

A

The angle of incidence equals the angle of reflection.

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6
Q

What is Virtual Image?

A

An image that forms at a location from which light rays appear to come but really don’t.

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7
Q

What is the Mirror that bulges out called?

A

A convex mirror, these compress images.

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8
Q

What is the Mirror that indents called?

A

Concave mirrors.

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9
Q

What is Real Image?

A

An image formed by light rays that actually come together at a specific location.

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10
Q

How do Radio Telescope Dishes work?

A

The dish reflects and focuses the radio waves or light into a reciever at the center of the dish.

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11
Q

How do objects have Color?

A

They don’t actually emit color, when all colors hit them only one is reflected and that is the color of the object. So a green flower would only reflect green light.

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12
Q

What are the three Additive Primary Colors?

A

Red, Green, and Blue.

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13
Q

What are the three Subtractive Primary Colors?

A

Yellow, Cyan, and Magenta.

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