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Physics 16 Online
OpenStudy (anonymous):

HELP!! I'm stuck on this question for a test.. Monochromatic light of wavelength 550 nm passes through a diffraction grating that has 55000 lines/m. A bright line appears on the screen at an angle of 12.23o from the central bright fringe. What is the order of this bright line? A) 5 B) 6 C) 7 D) 8

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