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]
When light of wavelengt582tddw)1olp tkao z ;f.cwf 9-i2 gnbh 350 njpz9 b uq n6w52vobu4l/4ith--rro:km is incident on a metal surface, the stopping potential of the photoelectrons is 0.500 eV. What is the threshold frequency4opbzo-6q5v wu u-294tni jk/lhr: br?
A. $3.47 \times 10^{14} \; Hz$
B. $3.74 \times 10^{14} \; Hz$
C. $4.73 \times 10^{14} \; Hz$
D. $7.34 \times 10^{14} \; Hz$
参考答案: D
本题详细解析:
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