Why do some explanations for single slit diffraction show the light converging and others show the light rays running parallel to each other? How can both be correct? See the link for
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Double-Slit Diffraction | Interference Pattern, Equation & Derivation - Video & Lesson Transcript | Study.com
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SINGLE-SLIT DIFFRACTION Physics Homework Help, Physics Assignments and Projects Help, Assignments Tutors online
![optics - Why is the formula of (secondary) maxima of single slit diffraction the same as the minima of double slit interference? - Physics Stack Exchange optics - Why is the formula of (secondary) maxima of single slit diffraction the same as the minima of double slit interference? - Physics Stack Exchange](https://i.stack.imgur.com/8R2HL.png)