本题目来源于试卷: Physics Unit29: Molecules and Solids，类别为 通用国际物理
[单选题]
The energy gap betweendmdtaz 2 3 fj pgib5xl;;l9o84ub80 kk tk 7*k. e,m 4enru 9k kzjn/vyc-qk/o6the valence and conduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in this substancc4knjomq. e7/k ,v /knz9*kut ke-6y re?
A. $599 \; nm$
B. $959 \; nm$
C. $873 \; nm$
D. $995 \; nm$
参考答案: D
本题详细解析:
暂无
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