A home made spectrometer uses a diffraction grating with 500 lines per mm. Setting the diffraction grating to be 1.02 m away from a detecting wall, a pink sample blocks all but the violetand red lines from the spectrum. The second order violet line occurs at a distance of 50.0 cm from the n=0 central bright spot (as shown below).central bright spotYz(violer)detection screenpink samplediffraction gratinglight sourcePart AThe wavelength of violet light that passes through the pink sample is?A= 392nm

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