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Mathematics, 29.06.2019 14:40 cksbanks
Adiffraction grating is illuminated with yellow light. the diffraction pattern seen on a viewing screen consists of three yellow bright fringes, one at the central maximum (q= 0°) and one on either side of it at q=+/-50°. then the grating is simultaneously illuminated with red light. where a red and a yellow fringe overlap, an orange fringe is produced. the new pattern consists of (a) only red fringes at 0° and +/-50°. (b) only yellow fringes at 0° and +/-50°. (c) only orange fringes at 0° and +/-50°. (d) an orange fringe at 0°, yellow fringes at +/-50°, and red fringes farther out (e) an orange fringe at 0°, yellow fringes at +/-50°, and red fringes closer in
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