本题目来源于试卷: Physics Unit28: Quantum Mechanics of Atoms，类别为 Generic Physics
[单选题]
High-energy photons are used to bombard an uo1 mm k+jaoon1 0y;lh6nknown metal. The strongest peak )2ejbqp)7hb2es0hvxx.l f6 m is found for X-rays with an energy of 66 m2he )hbe0 lbq2xvp 6s)x7fj. keV. What is the atomic number of the metal?
A. 80
B. 81
C. 82
D. 83
参考答案: C
本题详细解析:
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Post time 2024-1-22 00:52:27