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
Transcribed Image Text: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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