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SNC 2D 2016 > optics > Flashcards

optics Flashcards

1
Q

what is a medium?

A

a substance that energy can be transferred through

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2
Q

what is radiation

A

a method of energy transfer that does not require a medium; the energy travels at the speed of light

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3
Q

name types of electromagnetic waves (7)

A 
radio waves
microwaves
infrared light
visible light
ultraviolet light
x-rays
gamma rays
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4
Q

what colours are part of white light?

A 
ROYGBIV
red
orange
yellow 
green
blue
indigo
violet
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5
Q

incandescence

A

high temperature

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6
Q

electric discharge

A

passing an electric current through a gas

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7
Q

phosphorescence

A

absorption of ultraviolet light and later produces visible light

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8
Q

fluorescence

A

emediate emission of light by absorbing ultraviolet light

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9
Q

chemiluminescence

A

chemical reaction

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10
Q

bioluminescence

A

light on living organisms

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11
Q

triboluminescence

A

friction. result from crushing, scratching, or rubbing certain crystals

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12
Q

light-emitting diodes

A

electric current through semiconductors

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13
Q

lasers

A

pure colour

same energy level

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14
Q

converging mirror beyond c SALT

A

smaller
inverted
between c and f
real

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15
Q

converging mirror at c SALT

A

same
inverted
at c
real

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16
Q

converging between c and f SALT

A

larger
inverted
beyond c
real

17
Q

converging at f

A

no image

18
Q

converging inside f

A

larger
upright
behind mirror
virtual

19
Q

other name for convex

A

diverge

20
Q

other name for concave

A

converge

SNC 2D 2016 (4 decks)

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