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1. A shielding material for a gamma-ray beam of a particular energy has a thickness of...

1. A shielding material for a gamma-ray beam of a particular energy has a thickness of 3 HVL’s. When the gamma-ray beam emerges from the material, its intensity is reduced by a factor of:

2

10

8

16

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Answer #1

Solution : + From where and Beer - Lamberts law I = I, e-MX x = thickness = 3 HUL 1 HVL = ln 2 le 1. u= ln 2 HVL then I = In

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