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 l 8 ybqs6 / 7y9 r2u5st7lh30bzfankkfy is incident upru)ue3rk)ir,ih v: ;gj(cl /con a substance that scatters the beam in various dirij : rv),g;3cl eur hciu(/k)rections. 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:
暂无
| 
