Manipal Medical Manipal Medical Solved Paper-2011

  • question_answer
    X-ray beam of intensity\[{{I}_{0}}\]passes through an absorption plate of thickness d. If absorption coefficient of material of plate is\[\mu ,\]the correct statement regarding the transmitted intensity\[I\]of X-ray is

    A)  \[I={{I}_{0}}(I-{{e}^{-\mu d}})\]

    B)  \[I={{I}_{0}}{{e}^{-\mu d}}\]

    C)  \[I={{I}_{0}}(I-{{e}^{d/\mu }})\]

    D)  \[I={{I}_{0}}{{e}^{-\mu /e}}\]

    Correct Answer: B

    Solution :

     When X-ray passed through an absorption plate of thickness d, then transmitted intensity \[I={{I}_{0}}{{e}^{-\mu d}}\]


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