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Question
(a) Find the angle of the third diffraction minimum for 633-nm light falling on a slit of width $20.0\textrm{ }\mu\textrm{m}$. (b) What slit width would place this minimum at $85.0^\circ$? Explicitly show how you follow the steps in Problem-Solving Strategies for Wave Optics
1. $5.45^\circ$
2. $1.91\textrm{ }\mu\textrm{m}$
Solution Video