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Answer to Question #46474 in Atomic and Nuclear Physics for Anurodh
Question #46474
Is the following statement true for vibrations of a chain of two different types of atoms:
“At the centre of the Brillouin zone, the frequency of the optical branch is less than the
frequency of the acoustic branch”? Explain.
“At the centre of the Brillouin zone, the frequency of the optical branch is less than the
frequency of the acoustic branch”? Explain.
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