30 Nov 2021
Problem 70
Page 913
Section: General Problems
Chapter 31: Nuclear Energy; Effects and Uses of Radiation
Textbook ExpertVerified Tutor
30 Nov 2021
Given information
Given a 
source;
Time of usage 
Mass of worker 
Half life of 
The average energy of the emitted betas = 
per decay
The average energy of the emitted 
decay = 
.
We are asked to find the amount of effective dose received with the assumption that the person absorbs all emitted energy.
Step-by-step explanation
Step 1.
Given that half-life is 30 years and we can assume that the radioactivity does not change during the usage of 1.4 hours. First we will calculate the total energy absorbed. The two energies can be directly added as the RBE factor for both 
and is approximately equal to 1.
and is approximately equal to 1. We have 
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Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922
Solutions
Chapter
Section
- Problem 54a
- Problem 54b
- Problem 55a
- Problem 55b
- Problem 56
- Problem 57
- Problem 58a
- Problem 58b
- Problem 59
- Problem 60
- Problem 61a
- Problem 61b
- Problem 61c
- Problem 61d
- Problem 62
- Problem 63a
- Problem 63b
- Problem 63c
- Problem 64
- Problem 65
- Problem 66a
- Problem 66b
- Problem 66c
- Problem 67a
- Problem 67b
- Problem 68
- Problem 69
- Problem 70
- Problem 71
- Problem 72
- Problem 73a
- Problem 73b
- Problem 73c
- Problem 74
- Problem 75
- Problem 76