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physics > light/color test > Flashcards

light/color test Flashcards

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1
Q

What’s the unit for wavelength (λ) ?

A

meters (m)

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2
Q

What’s the unit for frequency (f) ?

A

hertz (hz)

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3
Q

What’s the unit for speed/velocity (v) ?

A

meters per second (m/s)

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4
Q

Electromagnetic spectrum left to right?

A

radio waves

microwaves

infrared rays

visible rays

ultraviolet rays

x rays

gamma rays

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5
Q

materials that transmit light?

A

transparent

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6
Q

materials that transmit, but diffuse light?

A

translucent

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7
Q

materials that transmit no light

A

opaque

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8
Q

Primary colors of light?

A

Red
Green
Blue

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9
Q

Primary colors of pigment?

A

Cyan
Magenta
Yellow

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10
Q

Secondary colors of light?

A

Cyan
Magenta
Yellow

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11
Q

Secondary colors of pigment?

A

Red
Green
Blue

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12
Q

What three colors do the cone cells in our eyes respond to?

A

Red
Green
Blue

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13
Q

What does Cyan pigment absorb?

A

Red

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14
Q

What does Cyan pigment reflect?

A

Blue and Green

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15
Q

What does Magenta pigment absorb?

A

Green

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16
Q

What does Magenta pigment reflect?

A

Red and Blue

17
Q

What does Yellow pigment absorb?

A

Blue

18
Q

What does Yellow pigment reflect?

A

Red and Green

19
Q

Light waves are mechanical or electromagnetic?

A

electromagnetic

20
Q

what is the constant for light in a vacuum? v=f(λ)?

A

v

21
Q

All colors of light travel at the same what?

A

speed

22
Q

Images in a plane mirror are ______ and _______ compared to the original object?

A

virtual and upright

23
Q

What is the magnification of a plane mirror compared to the original object?

A

equal to

24
Q

The law of reflection states angle of ______ equals angle of ________?

A

incident and reflection

25
Q

Complimentary color to red?

A

cyan

26
Q

Complimentary color to green?

A

magenta

27
Q

Complimentary color to blue?

A

yellow

28
Q

Type of mirror that forms only virtual images

A

convex/plane

29
Q

mirror in which image is always the same size as the object?

A

plane

30
Q

diverging mirror

A

convex

31
Q

converging mirror

A

concave

32
Q

On the Electromagnetic Spectrum what is on the left side with radio waves?

A

Low Energy
Low Frequency

33
Q

On the Electromagnetic Spectrum what is on the right side with gamma waves?

A

High Energy
High Frequency

34
Q

On the Electromagnetic Spectrum what is the wavelength the left side with radio waves?

A

long wavelength

35
Q

On the Electromagnetic Spectrum what is the wavelength the right side with gamma waves?

A

short wavelength

physics (4 decks)

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