Question
A helium-neon laser ( λ=633nm) illuminates a single slit and is observed on a screen 1.50m behind the slit. The distance between the first and second minima in the diffraction pattern is 4.75 mm.
What is the width (in mm) of the slit?
What is the width (in mm) of the slit?
Answers
bobpursley
aren't there standard equations for this?
43
112
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