Find the width of a spectral line observed

Reference no: EM13686783

A diffraction grating is made up of slits of width = 380 nanometers with separation = 1040 nanometers. The grating is illuminated by monochromatic plane waves of wavelength 500 nanometers at normal incidence. Find the width of a spectral line observed in the first order if the grating has 1500 slits.

Reference no: EM13686783

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