An X-ray tube operates at 100 kV. The maximum speed of electrons striking the anticathode is ( )
A、1.19X108 m/s
B、0.84 X108 m/s
C、1.33 X108 m/s
D、1.88 X108 m/s
发布时间：2025-07-20 22:10:38
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答案：1.88 X108 m/s
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