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]
When the accelerating voltchq yjh+u;)0rq3,5ej ilx e o9age in an X-ray tube is double y.kp *hjw5*; jhtnsfq+8(px kd, the minimum wavelength of the X-rays5 .kq*sjf(h+ky8hjpnx w* tp;
A. is increased to twice the original value.
B. is increased to four times the original value.
C. is decreased to one-half the original value.
D. is decreased to one-fourth the original value.
参考答案: C
本题详细解析:
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