Modern Physics For Scientists And Engineers
2nd Edition
ISBN: 9781938787751
Author: Taylor, John R. (john Robert), Zafiratos, Chris D., Dubson, Michael Andrew
Publisher: University Science Books,
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Question
Chapter 4, Problem 4.16P
To determine
(a)
The total energy released in the reaction.
To determine
(b)
The number of visible photons generated from one
Expert Solution & Answer
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Part A
The proton-proton chain described in Section 43.8,
known as the p-p I chain, accounts for 83,3% of the
helium synthesis in the sun. This process uses six
protons to produce one alpha particle, two protons,
two neutrinos, and a least six gamma-ray photons.
We can determine the energies of each of the
products as follows.
The first reaction, 2H →? H+ B+ +ve, is followed immediately by the annihilation of the
positron by an electron into two photons, each with energy equal to the rest energy of an
electron. What is the remaining energy Ej carried by the deuteron and the neutrino?
Express your answer in megaelectron volts.
V ΑΣφ
E1 =
MeV
Figure 43.16
1 Two protons combine to
form a deuteron (H) ...
3 A third proton combines with the
deuteron, forming a helium nucleus
(He) and emitting a gamma-ray photon.
4 Two He nuclei fusc, forming a
4He nucleus and releasing two
protons.
"He
3He
... as well as a positron (B*)
and an electron neutrino (v).
The proton-proton chain.
The net effect…
The isotope iron-56 has a nuclear mass of 55.9349375 u. Calculate the binding energy of iron-56 using the following information:
Mass of Proton: 1.007825 u, Mass of Neutron: 1.008665 u, 1 u = 931.5 MeV
a
3.274 eV
b
6.153 eV
c
8.790 eV
d
9.624 eV
Chapter 4 Solutions
Modern Physics For Scientists And Engineers
Ch. 4 - Prob. 4.1PCh. 4 - Prob. 4.2PCh. 4 - Prob. 4.3PCh. 4 - Prob. 4.4PCh. 4 - Prob. 4.5PCh. 4 - Prob. 4.6PCh. 4 - Prob. 4.7PCh. 4 - Prob. 4.8PCh. 4 - Prob. 4.9PCh. 4 - Prob. 4.10P
Ch. 4 - Prob. 4.11PCh. 4 - Prob. 4.12PCh. 4 - Prob. 4.13PCh. 4 - Prob. 4.14PCh. 4 - Prob. 4.15PCh. 4 - Prob. 4.16PCh. 4 - Prob. 4.17PCh. 4 - Prob. 4.18PCh. 4 - Prob. 4.19PCh. 4 - Prob. 4.20PCh. 4 - Prob. 4.21PCh. 4 - Prob. 4.22PCh. 4 - Prob. 4.23PCh. 4 - Prob. 4.24PCh. 4 - Prob. 4.25PCh. 4 - Prob. 4.26PCh. 4 - Prob. 4.27PCh. 4 - Prob. 4.28PCh. 4 - Prob. 4.29PCh. 4 - Prob. 4.30PCh. 4 - Prob. 4.31PCh. 4 - Prob. 4.32PCh. 4 - Prob. 4.33P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- (a) Calculate the energy released in the a decay of 238U. (b) What fraction of the mass at a single 238U is destroyed in the decay? The mass of 234Th is 234.043593 u. (c) Although the fractional mass loss is laws for a single nucleus, it is difficult to observe for an entire macroscopic sample of uranium. Why is this?arrow_forwardThe power output of the Sun is 41026 W. (a) If 90% of this energy is supplied by the proton-proton chain, how many protons are consumed per second? (b) How many neutrinos per second should there be per square meter at the surface of Earth from this process?arrow_forward(a) How much energy would be released if the proton did decay 1uria the conjectured reaction (b) Given that the decays to two (s and that the will find an electron to annihilate, what total energy is ultimately produced in proton decay? (c) Why is this energy greater than the proton's total mass (converted to energy)?arrow_forward
- A chain of nuclear reactions in the Suns core converts four protons into a helium nucleus. (a) What is the mass difference between four protons and a helium nucleus? (b) How much energy in MeV is released during the conversion of four protons into a helium nucleus?arrow_forwardThe electrical power output of a large nuclear reactor facility is 900 MW. It has a 35.0% efficiency in converting nuclear power to electrical. (a) What is the thermal nuclear power output in megawatts? (b) How many 235U nuclei fission each second, assuming the average fission produces 200 MeV? (c) What mass of 235U is fissioned in one year of fullpower operation?arrow_forwardEach of the following reactions is missing a single particle. Identify the missing particle for each reaction. p+pn+? p+pp+0+? ?+p+? K+n0+? +e++ve+? (f)ve+pn+?arrow_forward
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