Tossup

This process is caused by devices partially named “echelle,” which have relatively few lines per millimeter. (10[1])Either prisms or devices named for this process are used as dispersive elements in spectrometers. The first zero (10[1])of the Bessel function J-sub-one equals the constant 1.22 in Rayleigh’s criterion (10[1])for resolution (10[1])limited by this process. (-5[1])This process’ intensity maxima occur when sine theta is proportional to an integer multiple of wavelength by Bragg’s Law. (10[2]-5[2])Tightly spaced slits make (10[1])up gratings named for this (-5[1])process, (10[1])which light undergoes before self-interfering (10[1])in the double slit experiment. For 10 points, name this process in which light bends around an object. ■END■ (0[5])

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