answer both separately please
What is the maximum number of lines per centimeter a diffraction grating can have and produce a complete first-order spectrum for visible light? Assume that the visible spectrum extends from 380 nm to 750 nm.
A diffraction grating has 2,799 lines per centimeter. At what angle will the first-order maximum be for 488-nm-wavelength light?
What is the maximum number of lines per centimeter a diffraction grating can have and produce a complete first-order spe
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What is the maximum number of lines per centimeter a diffraction grating can have and produce a complete first-order spe
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