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A photon point-shaped source of energy 50 keV needs to be enclosed in a lead box...

A photon point-shaped source of energy 50 keV needs to be enclosed in a lead box for radiation protection needs. Why is lead chosen as a shielding material? Calculate the lead thickness necessary to stop 90%and 50%of the incident radiation.

science   Advanced-Physics   
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To solve this problem the details calculations are given below с呷fia.ent 3 ev 3 3 fin 50% shell dina 0.5

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