APFIVE Aperture Shape and Diffraction Patterns
Two identical wavelengths of light pass through different apertures. Aperture A is a narrow rectangular slit. Aperture B has the same area but is shaped like a narrow annular ring (a circular ring with a small width). How do their diffraction patterns compare?
A
A produces concentric rings; B produces a linear pattern
B
A produces a linear pattern; B produces concentric rings
C
Both produce patterns with circular symmetry
D
Both produce linear patterns with equally spaced minima
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