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]
In order for a photon to eject an electron from a p bo o(2*s3c2le iact8metal's surface in the ph:bkta5qbm/7gear94rgq0vjs 6n( t g:otoelectric :q /b7(nrm bra 0 gg:esvkt t45a9g6qjeffect, the photon's
A. frequency must be greater than a certain minimum value.
B. speed must be greater than a certain minimum value.
C. wavelength must be greater than a certain minimum value.
D. momentum must be zero.
参考答案: A
本题详细解析:
暂无
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