Anonymous asked in 科學其他:科學 · 1 decade ago



1 Answer

  • Anonymous
    1 decade ago
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    Alpha(α) ray 穿透力最小

    Due to its large mass, it can be stopped by just a few inches of air, or a piece of paper.

    If you want to know more, βray has the second least penetration, it can be stopped by several feet of air, or several millimeters of plastic or less of very light metals.

    γray has the greatest penetration.

    穿透力 α<β<γ

    Source(s): Myself ( hope it helps~^^)
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