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]
98.10: A charged par32y:j dwp;hiefb 5)b6z a.fidticxd) f)ze, 2vzhuv+i )yle with constant velocity enters a uniform magnetic field whose directed)z+f2ih z, xyu)) vvion is parallel to the particle’s velocity. The particle will
A. speed up.
B. slow down.
C. experience no change in velocity.
D. follow a parabolic arc.
E. follow a circular arc.
参考答案: C
本题详细解析:
暂无
| 
