Adiffraction grating that has 2000 slits per centimeter is
Chapter , Problem 63(choose chapter or problem)
Adiffraction grating that has 2000 slits per centimeter is used to measure the wavelengths emitted by hydrogen gas. (a) At what angles in the first-order spectrum would you expect to find the two violet lines that have wavelengths of and (b) What are the angles if the grating has per centimeter?
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