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]
A beam of X-rays of waaon04sw*pd g dpu6x.s )qz(p 7velength l is incident upoypv0s; b2rm7)ecxt zi1( o:vl n a substance that scatters the beam in various directions. If we measure the wavelength of the scattered X-ray)v t y1x;e zoi2cbl7p(sm0vr: s, we will find
A. X-rays with wavelength less than l.
B. X-rays with wavelength greater than l.
C. only X-rays with wavelength l.
D. X-rays which range in wavelength from less than l to greater than l.
参考答案: B
本题详细解析:
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