Explanation Write the expression for number of atoms. d N = λ N d t (I) Here, d N is the number of atoms, and λ is the decay constant. Write the expression for mean life time. τ = ∑ ( d N ) t ∑ d N Here, τ is the mean life time. The above equation can also be written as τ = ∫ d N t N 0 Use equation (I) in the above equation and integrate from 0 to ∞

3rd Edition

ISBN: 9781111794378

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

Publisher: Cengage Learning

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Question

Chapter 13, Problem 39P

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To show that mean life time is τ=1λ.

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Chapter 13, Problem 38P

Chapter 13, Problem 40P

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Chapter 13 Solutions

Modern Physics

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