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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.
sin m=0, 1, 2, 3...
1sin m=0, 1, 2, 3...
2
Condition for bright fringes
d m
Condition for dark fringes
d m