Chapter 8 Review

Question 1

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

Answer 1

opticks

Question 2

which theory of light did newton propose

Answer 2

particle theory

Question 3

name the scientists that proposed the wave theory of light

Answer 3

Heightens and Sr Thomas Young

Question 4

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

Answer 4

right angles/perpendicular

Question 5

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

Answer 5

Heinrich hertz

Question 6

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

Answer 6

photoeletric effect

Question 7

new name for a bundle of energy referred to as light

Answer 7

photon

Question 8

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

Answer 8

visible light/visible spectrum

Question 9

what part of the electromagnetic spectrum is considered to be light

Answer 9

all of it

Question 10

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

Answer 10

white

Question 11

3 primary additive colors

Answer 11

red green blue

Question 12

3 subtractive primary colors

Answer 12

magenta cyan yellow

Question 12

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

Answer 12

white

Question 13

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

Answer 13

black

Question 13

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

Answer 13

white

Question 14

yes or no : is light a wave

Answer 14

yes

Question 15

does light behave and obey the law of reflection

Answer 15

yes

Question 15

what type of image is always produced by a convex mirror

Answer 15

virtual

Question 16

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

Answer 16

concave

Question 17

why am I able to see objects around me

Answer 17

reflection

Question 18

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

Answer 18

it doesn’t reflect parallel back to you

Question 19

piece of glass/other substance specifically designed to refract light

Answer 19

lens

Question 20

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

Answer 20

convex

Question 21

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

Answer 21

mirage

Question 22

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

Answer 22

scintillation

Question 23

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

Answer 23

rainbow

Question 24

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

Answer 24

iridescence

Question 25

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

Answer 25

antinodes (dark regions - nodes)

Question 26

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

Answer 26

spectroscopy

Question 27

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

Answer 27

the doppler effect

Question 28

what occurs when light has been oriented in one axis?

Answer 28

polarized

Question 29

name one of the divisions of the electromagnetic spectrum

Answer 29

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

Question 30

division of the electromagnetic spectrum with the highest frequency

Answer 30

gamma rays

Question 31

division of the electromagnetic spectrum that cooks materials

Answer 31

microwaves

Question 32

division of the electromagnetic spectrum responsible for radar

Answer 32

microwaves

Question 33

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

Answer 33

UVB

Question 34

which branch of the elctromagnetic spectrum is responsible for medical imaging

Answer 34

x rays

Question 35

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

Answer 35

Max Planck

Question 36

what is light amplification by stimulated emission of radiation

Answer 36

LASER

Question 37

what has occurred when an atom emits 2 photons

Answer 37

stimulated emission

Question 38

if we have a singular frequency of light

Answer 38

monochromatic light

Question 39

the speed of light is constant in a vaccum

Answer 39

yes

Question 40

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

Answer 40

special

Question 41

what occurs to time if you increase gravity

Answer 41

time dilation

Question 42

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

Answer 42

it contracts (gets shorter)

Question 43

when waves have the same frequency as each other

Answer 43

in phase

Question 44

spreading of waves as they pas through a narrow gap

Answer 44

diffraction