JEE Main & Advanced Sample Paper JEE Main Sample Paper-7

  • question_answer
    If the radius of first Bohr's orbit is \[{{a}_{0}},\] then the radius of third Bohr's orbit would be

    A)  \[3{{a}_{0}}\]                                   

    B)  \[6{{a}_{0}}\]

    C)  \[9{{a}_{0}}\]                                   

    D)  \[\frac{1}{9}{{a}_{0}}\]

    Correct Answer: C

    Solution :

    \[{{r}_{n}}={{a}_{0}}\times {{n}^{2}}\]


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