A helium-neon laser (A = 633 nm) illuminates a single slitand is observed on a screen
Chapter 17, Problem 28(choose chapter or problem)
A helium-neon laser (A = 633 nm) illuminates a single slitand is observed on a screen 1.50 m behind the slit. The distancebetween the first and second minima in the diffraction pattern is4.75 mm. What is the width (in mm) of the sl it?
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