The linear absorption coefficient for 5-MeV gamma rays in lead is 78 m-1. Find the thickness of lead required to reduce by one-fourth the intensity of beam of such gamma rays.O A. 8.9 mmO B. 17.8 mmOC. 3.7 mmOD. 1.9 mmO E. 7.4 mm

GivenLinear absorption coefficient for 5 MeV gamma rays in lead ,α=78 m-1And IntensityIIo=14

Answered: The linear absorption coefficient for…

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The linear absorption coefficient for 5-MeV g fourth the intensity of beam of such gamma O A. 8.9 mm O B. 17.8 mm

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter14: Nuclear Physics Applications

Section: Chapter Questions

Problem 12P

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The linear absorption coefficient for 5-MeV gamma rays in lead is 78 m-1. Find the thickness of lead required to reduce by one-
fourth the intensity of beam of such gamma rays.
O A. 8.9 mm
O B. 17.8 mm
OC. 3.7 mm
OD. 1.9 mm
O E. 7.4 mm

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