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Consider a one-dimensional monatomic lattice with lattice constant 4.91 Angstrom and atoms of mass 28 amu. The speed of sound in the lattice is 11.6

Consider a one-dimensional monatomic lattice with lattice constant 4.91 Angstrom and atoms of mass 28 amu. The speed of sound in the lattice is 11.6 km s−1 . (a) Calculate the maximum frequency of waves that can be transmitted by the lattice. (b) Calculate the interatomic force constant of the lattice.

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