本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 通用国际物理
[单选题]
When light of wavelength 350 n ,mpsgt 5dsjxt)ij40mw2h u39 m is incident on a metal sya0e* hi9k ohivb 0h*;*u,v rsurface, the stopping potential of the photoelev,bh;90 a*hhkrou*sv* yi e0ictrons is 0.500 eV. What is the threshold frequency?
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:
暂无
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