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Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.24 m from the grating. in the first-order spectrum, maxima for two different wavelengths are separated on the screen by 3.20 mm . what is the difference between these wavelengths? answer in meters.
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Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interf...
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