A) \[1.12\times {{10}^{-19}}\]
B) \[1.76\times {{10}^{-19}}\]
C) \[1.6\times {{10}^{-19}}\]
D) zero
Correct Answer: A
Solution :
Forbidden energy gap for \[Ge=0.7eV\] \[=0.7\times 1.6\times {{10}^{-19}}J\] \[=1.12\times {{10}^{-19}}J\]
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