Figure 28-1 Constructive and Destructive Interference
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Transcript of Figure 28-1 Constructive and Destructive Interference
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Figure 28-1Constructive and Destructive Interference
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Figure 28-17Diffraction of Water Waves
Diffraction: the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge.
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Figure 28-4Huygens’s Principle
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Figure 28-2Two Radio Antennas Transmitting the Same Signal
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2 1
2 1
constructive interference
1 destructive interference2
m
m
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Figure 28-3Young’s Two-Slit Experiment
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Figure 28-5Path Difference in the Two-Slit
Experiment
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sin m=0, 1, 2, 3...
1sin m=0, 1, 2, 3...2
Condition for bright fringesd mCondition for dark fringes
d m
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Figure 28-6The Two-Slit Pattern
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Figure 28-18Single-Slit Diffraction
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Figure 28-19Locating the First Dark Fringe in Single-Slit Diffraction
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Figure 28-20Locating the Second Dark
Fringe in Single-Slit Diffraction
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Condition for dark fringesin m= 1, 2, 3...
W m
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Figure 28-26Path-Length Difference in a Diffraction Grating
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For a diffraction grating
sin m=0, 1, 2, 3...Condition for bright fringesd m