Physics, 31.07.2019 23:20 kiaraphilman2956
Light from a helium-neon laser (wavelength 633 nm) passes through a 0.5 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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Light from a helium-neon laser (wavelength 633 nm) passes through a 0.5 mm diameter hole. how far aw...
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