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(a) How wide is a single slit that produces its first minimum for 633-nm light at an angle of $28.0^\circ$? (b) At what angle will the second minimum be?
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Final Answer
  1. $1.35 \textrm{ }\mu\textrm{m}$
  2. $69.9^\circ$
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OpenStax College Physics Solution, Chapter 27, Problem 45 (Problems & Exercises) (1:38)

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