本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 国际高中通用物理
[单选题]
A beam of X-rays of 6 ghvu6euw dcn0s:06 jwavel +yl m00 dszl8rpnz72zength l is incident upon a substance that scatters the beam in various directions. If we measure the wavelength of tzp+ 0 2r 8y7snzl0ldzmhe 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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