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1

reflection

bounce back

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2

refraction

bending of light

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3

diffraction

slight bending, spreading

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4

dispersionn

seperation into diff colors

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5

transmission

pas through

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6

absorption

absorbed by the atoms

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7

straight line

as particles light travels in a

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8

incident ray

hits a surface

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9

reflected ray

the one that bounces off

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10

regular reflection

smooth

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specular reflection is known as

regular

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irregular reflection

rough

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13

diffuse reflection is known as

irregular reflection

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14

concave

inverted

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15

convex

upright

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16

particle

portion of matter, smallest building blocks

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17

Wave

disturbance that travels through time, energy transport phenomenon

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18

constructive

crest meet, not aligned

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destructive

waves cancel eo, aligned

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20

theory of light as particle

newton

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21

light as awave is said by

christian huygens

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22

double slit theory is by

thomas young

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23

said that light is wave and partivle

louis de broglie

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wave interference

when 2 waves meet

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red

refracts least

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red

longest wavelength

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red

lowest energy

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28

violet

shortest wave

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29

violet

highest frequency

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30

violet

refracts most

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31

scattering of light

light rays get deviated and strikes into obstacles

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32

tyndall effect

colloidal particles

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rayleigh scattering

scattering in atmosphere

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scattered most:

short wavelengths

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35

mie scattering

(particles)same or larger as wave of light

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blackbody radiation

absorb all radiation

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when temperature decreased

wavelength increases

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lcone

red

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39

m cone

green

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40

s cone

blue

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41

better get ready when

your mistakes come back

colors of light

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42

stellar scintillation

twinkling of star

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43

haloes

rings and arcs

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44

sundogs

rainbow colored, part of halo

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supernumerary bows

bows inside a rsinbow

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46

mirage

repeated refraction of light

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47

the refractive index of glass is 1.5 if the speed of light in a vacuum is 3.0x10^8 m/s find the speed of light in a medium

2x10^8 m/s

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48

light travels in a medium at 2.5 x 10 ^ 8 m/s. the absolute refractive index is 1.2. what is the speed of light in a vacuum?

3x10^8 m/s

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49

0.63

the speed of light in an unknown medium is 4.76x10^8 m/s. calculate the refractive index if c= 3.0 x 10 ^8 m/s

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50

32 degrees

calculate the angle of reefraction in an air-water medium if the angle of incidence is 45 degrees. air =1 water = 1.33

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