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Physical Science > Chapter 8 Review Flashcards > Flashcards

Chapter 8 Review Flashcards

1
Q

what was the name of the book in which newton published his theory of light

A

opticks

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2
Q

which theory of light did newton propose

A

particle theory

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3
Q

name the scientists that proposed the wave theory of light

A

Heightens and Sr Thomas Young

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4
Q

how does a electro and magnetic waves travel with respect to each other

A

right angles/perpendicular

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5
Q

individual who demonstrated the existence of invisible electromagnetic waves primarily through radio waves

A

Heinrich hertz

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6
Q

what effect occurs when you have light having the ability to knock and electro out of a metal

A

photoeletric effect

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7
Q

new name for a bundle of energy referred to as light

A

photon

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8
Q

what do we call the portion of the electromagnetic spectrum to which our eye responds

A

visible light/visible spectrum

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9
Q

what part of the electromagnetic spectrum is considered to be light

A

all of it

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10
Q

if all colors of light are mixed together, what color is produced

A

white

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11
Q

3 primary additive colors

A

red green blue

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12
Q

3 subtractive primary colors

A

magenta cyan yellow

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12
Q

when red green and blue are mixed together, what color is made

A

white

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13
Q

what happens if you mix magenta, yellow, and cyan pigment together

A

black

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13
Q

what color of light is produced if we take and additive primary along with its compliment

A

white

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14
Q

yes or no : is light a wave

A

yes

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15
Q

does light behave and obey the law of reflection

A

yes

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15
Q

what type of image is always produced by a convex mirror

A

virtual

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16
Q

what type of mirror has a reflecting side on the inside of the spherical surface

A

concave

17
Q

why am I able to see objects around me

A

reflection

18
Q

why is it then if I see objects b/c light is reflected back to my eyes, why can I not see myself when looking at other objects

A

it doesn’t reflect parallel back to you

19
Q

piece of glass/other substance specifically designed to refract light

A

lens

20
Q

what type of lens causes light to bend to a singular point

A

convex

21
Q

what occurs when light waves from a distance object are refracted by heated air so the object appears to be nearby

A

mirage

22
Q

what phenomenon occurs when we see stars twinkle in the night sky

A

scintillation

23
Q

what occurs due to rain in front of us and the sun behind us

A

rainbow

24
Q

what occurs when we have the interference of light on the curved surface of an object

A

iridescence

25
Q

when we diffract light (especially through the diffraction grating process) the see alternating fringes of light that are bright fringes and dark fringes, what do we call the bright fringes

A

antinodes (dark regions - nodes)

26
Q

scientific technique that analyzes a substance or phenomenon by observing a light spectrum

A

spectroscopy

27
Q

when we observe light traveling, it is either red or blue shifted. why does that occur?

A

the doppler effect

28
Q

what occurs when light has been oriented in one axis?

A

polarized

29
Q

name one of the divisions of the electromagnetic spectrum

A

radio waves, x-rays, gamma ray, microwaves, infrared rays, ultraviolet radiation, visible light

30
Q

division of the electromagnetic spectrum with the highest frequency

A

gamma rays

31
Q

division of the electromagnetic spectrum that cooks materials

A

microwaves

32
Q

division of the electromagnetic spectrum responsible for radar

A

microwaves

33
Q

of the 3 types of ultraviolet radiation, which of the 3 is primarily responsible for sunburn

A

UVB

34
Q

which branch of the elctromagnetic spectrum is responsible for medical imaging

A

x rays

35
Q

the physicist that showed that the energy of the wave is tied to its frequency

A

Max Planck

36
Q

what is light amplification by stimulated emission of radiation

A

LASER

37
Q

what has occurred when an atom emits 2 photons

A

stimulated emission

38
Q

if we have a singular frequency of light

A

monochromatic light

39
Q

the speed of light is constant in a vaccum

A

yes

40
Q

what theory of relativity deals with changes that occur when you travel the speed of light

A

special

41
Q

what occurs to time if you increase gravity

A

time dilation

42
Q

if I am traveling at 99% the speed of light, what will happen to the length of the object?

A

it contracts (gets shorter)

43
Q

when waves have the same frequency as each other

A

in phase

44
Q

spreading of waves as they pas through a narrow gap

A

diffraction

Physical Science (7 decks)

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