Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
9th Edition
ISBN: 9781305266292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 45, Problem 8CQ
To determine

What are the factors would limit the amplification in the device.

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Q1. A parallel beam of 1-MeV photons is normally incident on a sheet of uranium, 1.0 mm thick. The incident beam intensity is 104 MeV/ cm s. a) Calculate the energy fluence rate transmitted by the sheet. b) What fraction of the transmitted energy fluence rate is due to uncollided photons? c) What physical processes are responsible for energy transfer to the sheet? Given (µen/p)= 0.05 cm²/g p= 18.79 g/cm'.
A PET scan detects the product of positron electron annihilation. A positron and an electron annihilate and create 2 photons. (a) The wavelength of the photons will not be the same as the deBroglie wavelength of the positron and electron. Explain why. (b) The positron and electron each have a kinetic energy of 60 keV. What is the wavelength of each photon?
2.8 pm photons interact with free electrons from a carbon target. what will be the energy minimum that photons will be able to emerge from such a scenario?

Chapter 45 Solutions

Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)

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