Light Flashcards

(34 cards)

0
Q

The third color of visible light

A

Yellow

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1
Q

How far light travels in a year?

A

Light Year

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2
Q

Sixth color of visible light

A

Indigo

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3
Q

Frequency continuum of a electric magnetic wave?

A

Electromagnetic Spectrum

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4
Q

T or F

The color of visible light are abbreviated roygbig

A

False

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5
Q

T or F

Unit for long intensity is

A

F

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6
Q

T or F

Visible light is located between ir and x-rays

A

F

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7
Q

T or F

Visible light is between ultraviolet& gamma rays?

A

F

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8
Q

T or F

Microwaves are on the Em spectrum

A

T

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9
Q

T or F

Visible light includes things we can’t see

A

F

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10
Q

A line with an arrow head is showing?

A

Direct Wave

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11
Q

A light source is power or the rate at which it radiates energy?

A

Intensity

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12
Q

The type of reflection off of smooth highly polished surface is…

A

Specular reflection

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13
Q

The type of reflection off of rough or uneven surfaces

A

Diffuse reflection

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14
Q

Name the colors of roygbiv

A

Red orange yellow blue indigo voilet

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15
Q

The unit of light intensity

16
Q

The light ray approaching reflection?

17
Q

Out going ray after reflected off a ray

A

Reflected ray

18
Q

Angle of the incident ray is called???

A

Angle of incidence ray

19
Q

Light until it glows?

20
Q

Angle of the reflected ray

A

Angle of reflection

21
Q

Image seen where no real object exist

A

Virtual image

22
Q

Light occurring when a substance radiates

23
Q

T or F

When rays converge it’s virtual image

24
T or F | A beam with lots of photons moving in the same direction
T
25
T or F | Virtual image is the same as a real image
F
26
T or F | Point where light rays converge is a focal length
F
27
T or F | A ray is an arrowhead?
T
28
T or F | When rays of light converge it's a real image
T
29
Slightly dished in on reflective side?
Concave
30
SI unit for light intensity
Candela
31
Mirror surface bulges outward
Convex
32
Disk that refracts light
Lens
33
All frequencies that humans can see?
Visible light