Physics, 06.03.2020 03:29 solphiafischer

A narrow single slit (in air) in an opaque screen is illuminated by infrared light from He-Ne laser (=1152 nm). It is found that the center of the tenth dark band in the Fraunhofer pattern lies at an angle of 6.2 degree off the central axis. Determine the width of the slit. At what angle will the tenth minimum appear if the entire arrangement is immersed in water (n=1.33)?

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A narrow single slit (in air) in an opaque screen is illuminated by infrared light from He-Ne laser...