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theta = 0.412 degrees .
When p = 0
theta = 0.026 degrees .
When p = 1
theta = 0.078 degrees .
When p = 2
theta = 0.129 degrees .
When p = 3
theta = 0.181 degrees .
When p = 4
theta = 0.233 degrees .
When p = 5
theta = 0.285 degrees .
When p = 6
theta = 0.337 degrees .
When p = 7
theta = 0.388 degrees .
When p = 8
theta = 0.440 degrees .
When p >= 8 , theta > 0.412 degrees .
Between the first two diffraction minima , 16 interference minima are possible.
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