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physical science > Chap 13 > Flashcards

Chap 13 Flashcards

0
Q

Translucent

A

Some light passes through

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1
Q

Opaque is when light can’t pass through the object

A

TRU

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2
Q

Transparent

A

Almost all light passes through

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3
Q

The angel of which light strikes god surface equals the angel which it is reflected q

A

Law of reflection

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4
Q

Refraction

A

The bending of light when it goes from one medium to another

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5
Q

White light

A

Is made up of all the wavelengths of visible light

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6
Q

Mirage

A

Is formed when air at ground level is warmer or cooler than the air above it

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7
Q

Absence of color

A

Black

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8
Q

This is not a color of visible light

A

Black

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9
Q

Why do we see the color black

A

We see the color black because of all the wavelengths being absorbed and nothing being reflected

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10
Q

Color blindness

A

When cones do not function
Seen mostly in men
Most common red/green

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11
Q

This is used to change the color of a substance

A

Pigment

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12
Q

Red blue and green are what pigments

A

3 pigments of light colors

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13
Q

3 primary pigment colors

A

Magenta,cyan,and yellow

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14
Q

When light enters the eye light is directed where

A

Light is directed towards the retina

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15
Q

The retina contains what 2 things

A

Rod and cones

16
Q

What do the cones in the eye do

A

Cones distinguish colors

17
Q

The rods in the eye do what

A

Rods in the eye are used in dim light

18
Q

Incandescent light

A

Used in houses

19
Q

The filament in this light is made of tungsten

A

Incandescent light

20
Q

90% of this energy produced is thermal energy

A

Incandescent light

21
Q

Fluorescent light

A

Used in offices

22
Q

This lights inside is coded with phosphors that produce light when they absorb UV RADIATION

A

Fluorescent light

23
Q

Neon lights use what type of gases

A

Neon & other gases

24
Q

Classified for its bright colors

A

Neon lights

25
Q

Sodium-vapor Lights

A

Used in outdoor lighting

26
Q

When sodium metal is hot it turns to vapor and produces a yellowish-orange light

A

Sodium-Vapor Light

27
Q

Tungsten halogen light

A

Used on movie sets

28
Q

Produce very bright light and are used on movie sets

A

Tungsten -Halogen Light

29
Q

Lasers have to types of lights what are they?

A

Coherent light & incoherent light

30
Q

Incoherent light

Ex. Incandescent

A

Light is spread out

31
Q

Coherent light

A

When light waves are focused on a consent rated area

Ex. Lasers

physical science (10 decks)

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