3 [Page 3) Solid Ar has an foc structure with cubic lattice constant a=5.268, atomic mass mar=6.67-10-26 kg and a Debye

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3 [Page 3) Solid Ar has an foc structure with cubic lattice constant a=5.268, atomic mass mar=6.67-10-26 kg and a Debye

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3 Page 3 Solid Ar Has An Foc Structure With Cubic Lattice Constant A 5 268 Atomic Mass Mar 6 67 10 26 Kg And A Debye 1
3 Page 3 Solid Ar Has An Foc Structure With Cubic Lattice Constant A 5 268 Atomic Mass Mar 6 67 10 26 Kg And A Debye 1 (71.68 KiB) Viewed 21 times
3 [Page 3) Solid Ar has an foc structure with cubic lattice constant a=5.268, atomic mass mar=6.67-10-26 kg and a Debye temperature Op=92°K. At 10 K. (a) estimate the specific heat capacity Cy. (b) Using the value of Young's modulus, Cu= 1.6-10°N/m², estimate longitudinal velocity of sound v in [100] direction (c) Assuming dimension of crystal to be lmm crystal of Ar and scattering of phonon occurs only from the boundary of the material, estimate the thermal conductivity, K, (in units of Jm-'s 'K?) and (d) describe its low (T<0p) and high temperature (T> 0p) behavior. (8 points)
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