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Physics 12 Instructional Master
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314 Chapter 9 Waves and Light Copyright 2003 Nelson
Instructional Master
Partial ReflectionPartial RefractionLSM 9.4-1
i r
R
partial
ly refle
cted
wave
fronts
reflected ray
refracted wave front
incident wave front
refrac
ted ra
y
fast medium
inci
dent
ray
slow medium
air (n 1.00)
glass (n 1.50)
normalnormal
Figure 8For waves and light refracted away from the normal when the speed increases, partial reflection also occurs.
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