本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom,类别为 国际高中通用物理
[单选题]
A monochromatic light.9sqkd lys :q8m 6ze1 gu;t6i.e3ernc is incident on the l /qsxz. kq 2 4or )xwl(qh9jag+m)an2surface of a metal with work function 2.50 eV. If a 1.0-V stopping potential is required /q.zo +j2) )xq hlr2 askqlg9wax (n4mto make the photocurrent zero, what is the wavelength of light?
A. $354 \; nm$
B. $423 \; nm$
C. $497 \; nm$
D. $744 \; nm$
参考答案: A
本题详细解析:
暂无
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