A) zero
B) \[A{{m}^{2}}\]
C) \[\sqrt{2}s\]
D) \[\frac{1}{\sqrt{2}}s\]
Correct Answer: C
Solution :
We know that in germanium crystal forbidden energy gap = 0.7 eV \[=0.7\times 1.6\times {{10}^{-19}}J\] \[=1.12\times {{10}^{-19}}J\]
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