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NEET Sample Paper NEET Sample Test Paper-80

  • question_answer
    The Rydberg constant for an electron revolving around hydrogen atom is R. The Rydberg constant for electron revolving about 10 times ionised sodium atom will be

    A)  R                                

    B)  less than R

    C)  greater than R   

    D)  arbitrary

    Correct Answer: C

    Solution :

    Rydberg constant, \[R=\frac{{{R}_{\infty }}}{1+\frac{m}{M}}\] For sodium (Na) atoms, M is higher than that for H-atom, so R is greater for Na.


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