Question #288317

Debye temperature of diamond is 2000k determine the mean velocity of diamond if the interatomic spacing is 1.45A. estimate the mode of a lattice vibration

1
Expert's answer
2022-01-18T09:36:20-0500

hν=kT,  ⟹  ν=kTh,h\nu=kT,\implies \nu=\frac{kT}{h},

ν=416⋅1011 Hz,\nu=416\cdot 10^{11}~Hz,

v=νl=6 kms.v=\nu l=6~\frac{km}s.


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