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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

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

    A) \[I={{I}_{0}}(1-{{e}^{-\mu d}})\]                               

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

    C) \[I={{I}_{0}}e(1-{{e}^{-\mu /d}})\]          

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

    Correct Answer: B

    Solution :

    Transmitted intensity of X-rays will be \[I={{I}_{0}}\,{{e}^{-\mu d}}\] Where \[\mu =\]absorption coefficient d = thickness of absorption plate


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