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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Radioactivity and a,b rays

  • question_answer
    Of the following radiations, the one most easily stopped by air is              [MP PMT 1991]

    A)                 \[\alpha \]-rays                

    B)                 \[\beta \]-rays

    C)                 \[\gamma \]-rays            

    D)                 X-rays

    Correct Answer: A

    Solution :

              Penetrating power of \[\alpha \]-rays are less than \[\beta ,\,\gamma \] and    X-rays.


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