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JEE Main & Advanced Physics Nuclear Physics And Radioactivity Question Bank Radioactivity

  • question_answer
    Which can pass through 20 cm thickness of the steel [MNR 1985; CPMT 1990; RPET 2000]

    A)            \[\alpha -\]particles          

    B)            \[\beta -\]particles

    C)            \[\gamma -\]rays               

    D)            Ultraviolet rays

    Correct Answer: C

    Solution :

               g-rays are highly penetrating.


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