Homework Help: Physics

Posted by Ashley on Wednesday, October 31, 2012 at 3:48pm.

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?

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Physics - Jennifer, Wednesday, October 31, 2012 at 4:21pm
dsin12.23 = ml, m = 0, 1, 2, ….`

where l = 550 * 10^-9 m
d = 1/55000

solve for m
Physics - J~, Thursday, April 25, 2013 at 5:41pm
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