A helium-neon laser 1l = 633 nm2 illuminates a diffraction
Chapter 33, Problem 33.38(choose chapter or problem)
A helium-neon laser 1l = 633 nm2 illuminates a diffraction grating. The distance between the two m = 1 bright fringes is 32 cm on a screen 2.0 m behind the grating. What is the spacing between slits of the grating?
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