7. A diffraction grating has a grating constant of 500 lines/mm. Light consisting of two discrete wavelengths (450 nm and 630 nm) is incident upon the grating and then a screen to view the maxima. a) What is the angular separation of the 1st order maxima considering the two wavelengths of light? b) At what distance away from the grating should the screen be placed such that the linear separation of the 1st order maxima is 3.00 cm?
7. A diffraction grating has a grating constant of 500 lines/mm. Light consisting of two discrete wavelengths (450 nm and 630 nm) is incident upon the grating and then a screen to view the maxima. a) What is the angular separation of the 1st order maxima considering the two wavelengths of light? b) At what distance away from the grating should the screen be placed such that the linear separation of the 1st order maxima is 3.00 cm?
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Transcribed Image Text:7. A diffraction grating has a grating constant of 500 lines/mm. Light consisting of two discrete
wavelengths (450 nm and 630 nm) is incident upon the grating and then a screen to view the
maxima.
a) What is the angular separation of the 1st order maxima considering the two wavelengths of
light?
b) At what distance away from the grating should the screen be placed such that the linear
separation of the 1st order maxima is 3.00 cm?
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