本题目来源于试卷: Nuclear & Quantum Physics E.2 Quantum Physics，类别为 IB物理学
[单选题]
Two photosensitive plates A and B wifa1qj)y5ip2 u qsl; hku+t02f th threj bxpkzh1,6b hpe1q2o pdn 8zw p:,5*kshold frequencies $f_A$ and $f_B$ are illuminated in a vacuum with an electromagnetic radiation of wavelength λ such that photoelectrons are emitted from both plates. The corresponding stopping voltages are recorded to be $V_A$ and $V_B$ respectively.
The ratio $\frac{V_B-V_A}{f_A-f_B}$
A. $hc$
B. $\frac{hc}{λ}$
C. $h$
D. $\frac{h}{e}$
参考答案: D
本题详细解析:
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