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 nm isx;gee 6 1 4+qc9imoz(jj w53c7zcukvtw,mt m8 incident on a metal surface, the stoppik45wed7 th ,fvng potential of the phot5dwv, 4hfe7kt oelectrons 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
|