本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 Generic Physics
[单选题]
X-rays of wavelength 0.20 nm arqxow)5w6e/v* c59,qjdl sgy z5pw -tbro 78zpe scattered by a meta eqwyfunph* 6i7hxs-5ssq3 vc2-l-, v l. The wavelength shift is obses*h nv3c7pu-s 2,hfqiqlys-v 6x5e- wrved to be
$2.1 \times 10^{-12} \; m$ at a certain scattering angle measured relative to the incoming X-ray. What is the scattering angle?
A. $20^{\circ}$
B. $40^{\circ}$
C. $60^{\circ}$
D. $80^{\circ}$
参考答案: D
本题详细解析:
暂无
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Post time 2024-1-22 00:41:22