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 wavelength lw:w qgcx rn6d407ir0c is incident upon a substa ,dd vujiuic:vcug7r2(e5 fa* (k23x unce that scatters the beam in various directionsxf *iuvg u7d2eacv:5uu(,jd3k c 2( ir. If we 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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