Introduction To Health Physics
Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
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Chapter 5, Problem 5.18P

(a)

To determine

The thickness of Al and Cu required for HVL.

(b)

To determine

The thickness of Al and Cu required for TVL.

(c)

To determine

The relationship between an HVL and a TVL.

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Students have asked these similar questions
For the intensity of a monochromatic beam of gamma rays to be reduced to 30% of its initial value, what thickness of a material is needed if it is measured in terms of the half-value layer for that material?
A point source emitting 2.1×1012 gamma-rays per second is located at the center of an ironsphere of radius 10 cm. The gamma-rays have an energy of 1.0 MeV. What is the uncollidedgamma-ray flux in cm-2-s-1 at a distance 20 cm from the source, assuming the sphere issurrounded by a vacuum?
Typical HVL values for X-ray radiation with energy 1 MeV are 3 cm for bone tissues, 2 cm for aluminum, 0.3 cm for lead. Find mass and linear attenuation coefficients if densities are 1.85 g/cm3 , 2.70 g/cm3 , 11.35 g/cm3, respectively.
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