Page 33 - Radiation Safety
P. 33

ATTENUATION OF PHOTON











                                                                         I = I .e           -x
                                                                          x
                                                                                    o




                                                                     Where,                x    = Thickness



                                                                                            = Attenuation coefficient


                                                                     I x                  I x     = Intensity after passing


                                                                                                       through thickness x


                                                                                           I 0      = Initial intensity



                                               I 0               x
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