Light from a helium-neon laser 1l = 633 nm2 passes through
Chapter 33, Problem 33.16(choose chapter or problem)
Light from a helium-neon laser 1l = 633 nm2 passes through a 0.50-mm-diameter hole. How far away should a viewing screen be placed to observe a diffraction pattern whose central maximum is 3.0 mm in diameter?
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