The beam of parallel white light is branched with a diffraction grating and observed on the screen. Which color is farther from the center maximum? How does the position and size of the resulting rainbows change if we take a mesh with multiple slits per millimeter?

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Answer An interesting thing happens if you pass light through a large number of evenly spaced parallel slits called a diffraction grating An interference pattern is created that is very similar to the ... View the full answer