General Physics, 2nd Edition
2nd Edition
ISBN: 9780471522782
Author: Morton M. Sternheim
Publisher: WILEY
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Chapter 30, Problem 11RQ
To determine
The difference between the positron and electron.
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Chapter 30 Solutions
General Physics, 2nd Edition
Ch. 30 - Prob. 1RQCh. 30 - Prob. 2RQCh. 30 - Prob. 3RQCh. 30 - Prob. 4RQCh. 30 - Prob. 5RQCh. 30 - Prob. 6RQCh. 30 - Prob. 7RQCh. 30 - Prob. 8RQCh. 30 - Prob. 9RQCh. 30 - Prob. 10RQ
Ch. 30 - Prob. 11RQCh. 30 - Prob. 12RQCh. 30 - Prob. 1ECh. 30 - Prob. 2ECh. 30 - Prob. 3ECh. 30 - Prob. 4ECh. 30 - Prob. 5ECh. 30 - Prob. 7ECh. 30 - Prob. 8ECh. 30 - Prob. 9ECh. 30 - Prob. 10ECh. 30 - Prob. 11ECh. 30 - Prob. 12ECh. 30 - Prob. 13ECh. 30 - Prob. 14ECh. 30 - Prob. 15ECh. 30 - Prob. 16ECh. 30 - Prob. 17ECh. 30 - Prob. 18ECh. 30 - Prob. 19ECh. 30 - Prob. 20ECh. 30 - Prob. 21ECh. 30 - Prob. 22ECh. 30 - Prob. 23ECh. 30 - Prob. 24ECh. 30 - Prob. 25ECh. 30 - Prob. 26ECh. 30 - Prob. 27ECh. 30 - Prob. 28ECh. 30 - Prob. 29ECh. 30 - Prob. 30ECh. 30 - Prob. 31ECh. 30 - Prob. 32ECh. 30 - Prob. 33ECh. 30 - Prob. 34ECh. 30 - Prob. 35ECh. 30 - Prob. 36ECh. 30 - Prob. 37ECh. 30 - Prob. 38ECh. 30 - Prob. 39ECh. 30 - Prob. 40ECh. 30 - Prob. 41ECh. 30 - Prob. 42ECh. 30 - Prob. 43ECh. 30 - Prob. 44ECh. 30 - Prob. 46ECh. 30 - Prob. 47ECh. 30 - Prob. 48ECh. 30 - Prob. 49ECh. 30 - Prob. 51ECh. 30 - Prob. 52ECh. 30 - Prob. 53ECh. 30 - Prob. 54ECh. 30 - Prob. 55ECh. 30 - Prob. 56ECh. 30 - Prob. 57ECh. 30 - Prob. 58ECh. 30 - Prob. 59ECh. 30 - Prob. 60ECh. 30 - Prob. 61ECh. 30 - Prob. 62ECh. 30 - Prob. 63ECh. 30 - Prob. 64ECh. 30 - Prob. 65E
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- Data from the appendices and the periodic table may be needed for these problems. The Galilee space probe was launched on its long journey past several planets in 1989, with an ultimate goal of Jupiter. Its power source is 11.0 kg of 238Pu, a byproduct of nuclear weapons plutonium production. Electrical energy is generated thermoelectrically from the heat produced when the 5.59MeV (particles emitted in each decay crash to a halt inside the plutonium and its shielding. The halflife of 238Pu is 87.7 years. (a) What was the original activity of the 238Pu in becquerel? (b) What power was emitted in kilowatts? (c) What power was emitted 12.0 y after launch? You may neglect any extra energy from daughter nuclides and any losses from escaping rays.arrow_forwardWhat is the total kinetic energy carried away by the particles of the following decays? 0+ K0++ +n++ 00+ .arrow_forwardThe Galileo space probe was launched on its long journey past Venus and Earth in 1989, with an ultimate goal of Jupiter. Its power source is 11.0 kg of 238Pu, a by-product of nuclear weapons plutonium production. Electrical energy is generated thermoelectrically from the heat produced when the 5.59-MeV a panicles emitted in each decay crash to a halt inside the plutonium and its shielding. The half-life of 238Pu is 87.7 years. What was the original activity of the 238Pu in becquerels? What power was emitted in kilowatts? What power was emitted 12.0 y after launch? You may neglect any extra energy from daughter nuclides and any losses from escaping rays.arrow_forward
- The purpose of this problem is to show in three ways that the binding energy at the election in a hydrogen atom is negligible compared with the masses of the proton and electron. (a) Calculate the mass equivalent in u of the 13.6eV binding energy of an electron in a hydrogen atom, and compete this with the mass of the hydrogen atom obtained from Appendix A. (b) Subtract the mass at the proton given in Table 31.2 from the mass at the hydrogen atom given in Appendix A. You will find the difference is equal to the electron’s mass to three digits, implying the binding energy is small in comparison. (c) Take the ratio of the binding energy at the electron (13.6 eV) to the energy equivalent of the electron's mass (0.511 MeV). (d) Discuss how your answers confirm the stated purpose of this problem.arrow_forward(a) Estimate the mass of the luminous matter in the known universe, given there are 1011 galaxies, each containing 1011 stars of average mass 1.5 times that of our Sun. (b) How many protons (the most abundant nuclide) are there in this mates? (c) Estimate the total number of particles in the observable universe by multiplying the answer to (b) by two, since there is an electron for each proton, and then by 109, since there are far more particles (such as photons and neutrinos) in space than in luminous matter.arrow_forwardSuppose you are designing a proton decay experiment and you can detect 50 percent of the proton decays in a tank of water. (a) How many kilograms of water would you need to see one decay per month, assuming a lifetime of 1031 y? (b) How many cubic meters of water is this? (c) If the actual lifetime is 1033 y, how long would you have to wait on an average to see a single proton decay?arrow_forward
- What lifetime do you expect for an antineutron isolated from normal matter?arrow_forwardIf 1.01030MeV of energy is released in the annihilation of a sphere of matter and antimatter, and the spheres are equal mass, what are the masses of the spheres?arrow_forwardDerive an approximate relationship between the energy of (decay and halflife using the following data. It may be useful to graph the leg t1/2 against Ea to find some straightline relationship. Table 31.3 Energy and HalfLife for (Decay Nuclide E( (MeV) t1/2 216Ra 9.5 0.18 (s 194Po 7.0 0.7 s 240Cm 6.4 27 d 226Ra 4.91 1600 y 232Th 4.1 1.41010yarrow_forward
- (a) Write the decay equation for the decay of 235U. (b) What energy is released in this decay? The mass of the daughter nuclide is 231.036298 u. (c) Assuming the residual nucleus is formed in its ground state, how much energy goes to the particle?arrow_forwardFind the energy emitted in the decay of 60Co .arrow_forwardIntegrated Concepts Suppose you are designing a proton decay experiment and you can detect 50 percent of the proton decays in a tank of water. (a) How many kilograms of water would you need to see one decay per month, assuming a lifetime of 1031 y? (b) How many cubic meters of water is this? (c) If the actual lifetime is 1033 y, how long would you have to wait on an average to see a single proton decay?arrow_forward
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