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]
In a pair of accelerating plates, such as found int+fgh:e 1u apix9 )rs;ovn 6p/side 4o v9 ri(nfzp)irx :;nbo6v-s.dyn, za CRT, the electrons are eminzsr6 rnv):x zp-, f4voyod bi;(in. 9tted
A. from the cathode which is positive, toward the anode which is positive.
B. from the cathode which is negative, toward the anode which is positive.
C. from the anode which is positive, toward the cathode which is negative.
D. from the anode which is negative, toward the cathode which is positive.
参考答案: B
本题详细解析:
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