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Red
Frequency, Hz
Cosmic
rays
Gamma
rays
X-rays
UV
Infrared
Radar
Fm
Tv
Power
lines
YellowGreenViolet Blue
10
24 1022 1020 1018 1016 1014 1012 1010 108106104102
10
010x001.eps
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A
BC
DF
G
H
I
E
E
D
010×002.eps
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A
F
FA
010x003.eps
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010x004.tif
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(a)
(b
)
(c
)
010x005.eps
Courtesy of CRC Press/Taylor & Francis Group
Blue Red
Cones
Rods
010x006.eps
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D
L
010x007.eps
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010x008.tif
Courtesy of CRC Press/Taylor & Francis Group
010x009.tif
Courtesy of CRC Press/Taylor & Francis Group
010x010.tif
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010x011.tif
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010x012.tif
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Blue
(a) (b) (c)
(d)
(e) (f)
(g)
(h) (i)
(j)
Blue
Blue
Blue
Blue
Blue
Blue Blue
Blue Red
RedRed
Red
Red Red
Red
Red
Red
Red
Blue
FIGURE 10.13 Spectra of a variety of light sources: (a) northern skylight, (b) incandescent lamp, (c) deluxe
010x013.eps
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010x014.tif