Q15
Density of states of free electrons in a solid moving with an energy 0.1 eV is given by 2.15 × 1021 e/V cm-3. The density of states (in e/V cm-3) for electrons moving with an energy of 0.4 eV will be
A.
1.07 × 1021
B.
1.52 × 1021
C.
3.04 × 1021
D.
4.30 × 1021
AnswerAnswer: Option D
Solution
Answer: Option D
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