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TB_chapter29 - Chapter 29 Nuclear Physics CHAPTER 29...

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Chapter 29, Nuclear Physics C HAPTER 29 Conceptual Questions C1. Sample #1 is made from an isotope with decay constant 1 λ and sample #2 is made from an isotope with decay constant 2 λ , where 2 1 λ λ < . Which of the following statements must be true? a. The activity of sample #1 is greater than that of sample #2. b. The activity of sample #2 is greater than that of sample #1. c. The half-life exhibited for sample #1 is greater than that of sample #2. d. The half-life exhibited for sample #2 is greater than that for sample #1 C2. Two different nuclei emit alpha particles, the energy released in each of these decays being the same. Which of the following has the highest resulting kinetic energy? C3. A particle is fired at a target nucleus in which a reaction that could occur has a negative Q value. Which of the following statements is true? C4. The isotope 14 C cannot be used in dating old samples of which of the following? C. C5. Which of the following is not true for both the photon and the neutrino. a. Both are uncharged. b. Both have spin . c. Both can carry different amounts of momentum. d. Choose this answer if all of the above are true. 237
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Chapter 29, Nuclear Physics 29.1 Some Properties of Nuclei 1. The nucleus of an atom is made up of which of the following? a. electrons and protons b. electrons and neutrons c. protons, electrons and neutrons d. protons and neutrons 2. The experiment, which gave the first evidence for the existence of the atomic nucleus, involved which of the following? 3. The atomic number of a given element is equivalent to which of the following?
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