Physics Unit27: Early Quantum Theory and Models of the Atom (id: bc805497f)

本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 国际高中通用物理

[单选题]
A metal has a work function of 4.5 eV. Find thex d.s1p5jt p6wm pq2cuxtq 9/6 maximum4nplmq8sfvgh68w uks:3 0 cp u.rrhsw ,m 307p kinetic energy of the photoelectrons if the waveh8 lcu ,mh033q8suwrs 4p6n.:0rp pm gk7vfws length of light is 250 nm.

A. zero
B. $0.37 \; eV$
C. $0.46 \; eV$
D. $0.53 \; eV$


参考答案:  C


本题详细解析: 暂无

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