Question

Light of wavelength 550 nm is incident on a diffraction grating that is 1 cm wide and has 1000 slits. What is the half-width of the m= 1 line?
A) 5.5 x 10-5rad
B) 5.5 x 10-4rad
C) 5.5 x 10-3rad
D) 5.5 x 10-2rad
E) 5.5 x 10-1rad

Answer

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