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Engineering Physics · Q38

Solid State Physics

Engineering and GATE · Engineering Physics · question 38

Q38

The lattice specific heat C of a crystalline solid can be obtained using. the Dulong-Petit model, Einstein model and Debye model. At low temperature hω ≫ kBT, which one of the following statements is true? (a and A are constants)

A.
Dulong-Petit:   ; Einstein: C = constant; Debye:
B.
Dulong-Petit: C = constant; Einstein:  ; Debye:
C.
Dulong-Petit: C = constant; Einstein:   ; Debye:
Answer
D.
Dulong-Petit:  ; Einstein:   ; Debye: C = constant

Answer: Option C

Solution

Answer: Option C
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