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JEE Main & Advanced Physics Nuclear Physics And Radioactivity Question Bank Mock Test - Modern Physics

  • question_answer
    A sodium atom is in one of the states labelled 'Lowest excited levels'. It remains in that state for an average time of \[{{10}^{-8}}\] sec, before it makes a transition back to a ground state. The uncertainty in energy of that excited state is \[M\times {{10}^{-8}}\]eV. Find the value of M

    Answer:

    6.56


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