Question: A diffraction grating with 6 0 0 lines / mm is illuminated with light of wavelength 5 4 0 nm . A very wide viewing
A diffraction grating with linesmm is illuminated with light of wavelength nm A very wide viewing screen is m behind the grating. a What is the distance between the two m bright fringes? b How many bright fringes can be seen on the screen?
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