JEE Main & Advanced Physics Nuclear Physics And Radioactivity Question Bank Assertion and Reason

  • question_answer
    Assertion             :       Amongst alpha, beta and gamma rays, a-particle has maximum penetrating power. Reason                 :       The alpha particle is heavier than beta and gamma rays.

    A)             If both assertion and reason are true and the reason is the correct explanation of the assertion.

    B)             If both assertion and reason are true but reason is not the correct explanation of the assertion.

    C)             If assertion is true but reason is false.

    D)             If the assertion and reason both are false.

    E)             If assertion is false but reason is true.

    Correct Answer: D

    Solution :

                The penetrating power is maximum in case of gamma rays because gamma rays are an electromagnetic radiation of very small wavelength.


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