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Good day,

I happened across an interesting interactive JAVA applet demonstrating the diffraction of light through a slit. (http://micro.magnet.fsu.edu/primer/java/diffraction/basicdiffraction/index.html" [Broken]) Associated with it was the equation,

sin θ = λ/d

where d is the width of the slit.

My question is, what is the relationship of the θ to λ when there is no slit, i.e., the wave is diffraction around a object in the path of the wavefront?

I happened across an interesting interactive JAVA applet demonstrating the diffraction of light through a slit. (http://micro.magnet.fsu.edu/primer/java/diffraction/basicdiffraction/index.html" [Broken]) Associated with it was the equation,

sin θ = λ/d

where d is the width of the slit.

My question is, what is the relationship of the θ to λ when there is no slit, i.e., the wave is diffraction around a object in the path of the wavefront?

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