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Two separate experiments -- double-slit and diffraction grating -- use a 400-nm electromagnetic wave. In both...

Two separate experiments -- double-slit and diffraction grating -- use a 400-nm electromagnetic wave. In both experiments, a long, flat wall where the results are seen is located 2.00-m across from the slits/grating. The slit separation for the double-slit experiment is 0.20mm. The diffraction grating has 1200 lines per mm.

a. Calculate the distance between the first and second bright spots below the center line for each experiment. Compare your answer for each experiment and explain how the pattern created on the screen by the two experiments would differ.

b. If the slit-width is roughly the same for both, which pattern would have a brighter central maximum? Why?

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