A diffraction grating and an incident laser beam create an interference pattern. If the entire system is then submerged in water, how will the resulting patter
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A diffraction grating and an incident laser beam create an interference pattern. If the
entire system is then submerged in water, how will the resulting pattern change?
(A) The features will get closer together.
(B) The features will move farther apart.
(C) The features will disappear.
(D) There will be no change.
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