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Title: GR9277.035
Post by: conantee on January 10, 2010, 06:58:41 AM
35. Light of wavelength 5200 angstroms is incident normally on a transmission diffraction grating with 2000 lines per centimenter. The first-order diffraction maximum is at an angle, with respect to the incident beam, that is most nearly
(A) 3^o
(B) 6^o
(C) 9^o
(D) 12^o
(E) 15^o