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

  • question_answer
    The velocity of \[\alpha \]-rays is approximately                [CPMT 1982]

    A)                 Equal to that of the velocity of light

    B)                 1/10 of the velocity of light

    C)                 10 times more than the velocity of light

    D)                 Uncomparable to the velocity of light

    Correct Answer: B

    Solution :

              a-rays travel with a velocity which is \[\frac{1}{10}\]th to \[\frac{1}{20}\]th of that of light.


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