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J & K CET Medical J & K - CET Medical Solved Paper-2008

  • question_answer
    According to Moseleys law of X-rays the frequency (v) of a particular characteristic X-ray and the atomic number (Z) of the element depend on each other as

    A) \[\sqrt{v}=k{{Z}^{2}}\]                  

    B) \[\sqrt{v}=\frac{h}{{{Z}^{2}}}\]

    C)  \[v=kZ\]                                             

    D) \[\sqrt{v}=kZ\]

    Correct Answer: D

    Solution :

                     According to Moseleys law of X-rays\[\sqrt{v}=k(Z-b)\]where   k = proportionality constant, b = Shielding constant. Here     \[b=0\] \[\therefore \]  \[\sqrt{v}=kZ\]


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