問題詳情

10. In the Davisson-Germen experiment, a beam of 60 eV electrons is directed at a crystal, anddiffracted electrons are found at an angle θ = 74° relative to the original beam. What is thespacing of the atomic planes of the crystal?


(A) 0.1 nm
(B) 0.5 nm
(C) I nm
(D) 2 nm
(E) 5 nm.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增