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 wavelengte;*5 2mpqqv)u1 mwd kb q/cgax:b 6m8xh l is incident upon a substance that scatterskku b-70jgrc;zi( m, c)jd4ar the beam in various directions. If we-jmr4; c0 ag kd7u)bzj,kr ic( measure the wavelength of the scattered X-rays, 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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