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, suc-*hpskp x:xlmirx. , m*2s9s ph as found inside a CRT, the elecs+ 6yxhl wm089eeco(o9dqs 6itrons are eo099is6csm(w+x ld e 6hoyq8e mitted
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:
暂无
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