Modern Physics
Modern Physics
3rd Edition
ISBN: 9781111794378
Author: Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher: Cengage Learning
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Chapter 5, Problem 25P
To determine

Whether the energy width of 2.00MeV γ emission line be directly measured if the best gamma detectors can measure to ±5eV.

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What is the ratio of the velocity of a 5.00-MeV β ray to that of an α particle with the same kinetic energy? This should confirm that β s travel much faster than α s even when relativity is taken into consideration.
decay in the discharging process to half of its maximum (V = Vo/2). This time is the half-life: t1= t1/2.                                       20.82 ms, 3.977v                                       T1= 1.4 m/s Measure the time it takes for the voltage to decay to one-quarter (V = Vo/4 = (Vo/2)2) of its maximum. This is two half-lives: t2 = 2t1/2. Then divide this time by two to find the half-life (t1/2 = t2/2)                                       20.2-24.00 = 3.2                                       T2 = 3.2/2 = 1.6m/s Measure the time it takes for the voltage to grow to one-eighth (V = Vo/8 = (Vo/2)3) of its This is three half-lives, t3 = 3t1/2. Then divide this time by three to find the half-life, t1/2 = t3/3.                                       20.8 – 22.28= 1.48m/s                                       T3= 1.48/3 = 0.49 m/s Take the average of the three measured values of the half-life. Estimate the precision of the measurement and state it as {half-life ± precision}…
When a nucleus decays, the daughter nucleus can be in an excited state. The 93/43Tc nucleus (molar mass 92.910 2 g/mol) in the ground state decays by electron capture and e+ emission to energy levels of the daughter (molar mass 92.906 8 g/mol in the ground state) at 2.44 MeV, 2.03 MeV, 1.48 MeV, and 1.35 MeV. (a) Identify the daughter nuclide. (b) To which of the listed levels of the daughter are electron capture and e+ decay of 93/43Tc allowed?
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Modern Physics
Physics
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Cengage Learning