本题目来源于试卷: Motion of charged particle and Velocity selector and Mass spectrometer，类别为 美国物理杯赛(Physics Bowl)
[单选题]
10.26: An electron movi 46af 5h, l mlm7tn8drfng in 6);vuyt8+nv -l un6q.d 7jfi c/ dw*hx k-wjckthe plane of the page at an angle of 300 to the horizontal enters a region with a constant magnetic field directed horizontally in the plane of )iljvkx8vjw y /.k cu w;--chdq7n fd6n*t+6uthe page as shown. At the instant that the electron enters the magnetic field, which best describes the direction of the resulting magnetic force on the electron?
A. To the right
B. To the left
C. In a direction not listed here
D. Into the plane of the page
E. Out of the plane of the page
参考答案: E
本题详细解析:
暂无
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