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

  • question_answer
    The energy equivalent of 1 kilogram of matter is about   [MP PET/PMT 1988; MNR 1987]

    A)            \[{{10}^{-15}}\]J                 

    B)            1 J

    C)            \[{{10}^{-12}}\]J                 

    D)            \[{{P}_{0}}\]J

    Correct Answer: D

    Solution :

               \[E=m{{c}^{2}}=1\times {{(3\times {{10}^{8}})}^{2}}=9\times {{10}^{16}}\approx {{10}^{17}}J\]


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