本题目来源于试卷: Photoelectric Effect，类别为 美国物理杯赛(Physics Bowl)
[单选题]
16.45: Light of wavelength 250 nm shines onto a metallic surtq8d:f- 6bckff h,mij( yka9tw+t- r6oace. It is known that the electrons ejected from the surface range in speed as 0 ≤ v ≤maijtwt6 9 (hyko-r+ , 4.85× 105 m/s. What is the work function of the surface?
A. 4.97 eV
B. 1.60 eV
C. 3.63 eV
D. 4.30 eV
E. 1.34 eV
参考答案: D
本题详细解析:
暂无
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