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JEE Main & Advanced Physics Nuclear Physics And Radioactivity Question Bank Nucleus, Nuclear Reaction

  • question_answer
    In a material medium, when a positron meets an electron both the particles annihilate leading to the emission of two gamma ray photons. This process forms the basis of an important diagnostic procedure called    [AIIMS 2003]

    A)            MRI                                          

    B)            PET

    C)            CAT                                          

    D)            SPECT

    Correct Answer: B

    Solution :

               In a material medium, when a positron meets an electron both the particles annihilate leading to the emission of two g ray photons. This process forms the basis of an important diagnestic procedure called PET.


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