### Find out ratio of the detector

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##### Reference no: EM134373

Question1

Consider a radius=1.0cm circular nondiverging pencil beam of 3x10^8 photons, one-third with an energy of 1 mev, remaining two-thirds with an energy of 1.5 mev. Imagine narrow beam geometry. A 2cm broad carbon absorber can be placed in the path of beam prior to the beam striking a detector. Find out-

A. fluence at the detector location with the absorber present.

B. energy fluence at the detector location with the absorber present

C. energy fluence at the detector location with the absorber present

D. ratio of the detector response with and without the absorber present for a detector whose response is proportional to air collision kerma

E. exposure at the detector location with the absorber present

F. fluence weighted mean attenuation coefficient of the original beam

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