2002 年
物理 · 共 32 題 · 點擊選項即時核對答案
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31.
Which of the following particles cannot be deflected by a magnetic field ?
32.
Which of the following is/are application(s) of radioactivity ?
(1)to estimate the age of ancient remains
(2)to kill bacteria in food
(3)to transmit signals over long distances