Physics Unit27: Early Quantum Theory and Models of the Atom (id: 8b2e93392)

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本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 Generic Physics

[单选题]
When light of wavelength crrx0 : (x f,vui-qis5s p8oy+350 nm is incident on a metal suragm5yg9i6z,: -z h; t gafl8fzface, the stopping potential of the photoelectrons is 0.500 eV. What i zgz-afg 8gha,5yl 9imt:;f6zs 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


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