7. When 59Cu undergoes positron emission, what is the immediate nuclear product? a. 59Ni b. 58Ni c. 58Cu d. 59Zn

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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7. When 59Cu undergoes positron emission, what is the immediate nuclear product? a. 59Ni b. 58Ni c. 58Cu d. 59Zn 8. Which isotope below has the highest nuclear binding energy per gram? No calculation is necessary. a. 4He b. 16O c. 32S d. 55Mn 9. Calculate the binding energy per nucleon (in units of MeV) for 9Be, for which the atomic mass is 9.01219 amu. [Particle masses in amu are: proton = 1.007277; neutron = 1.008665; electron = 0.0005486]. a. 6.46 MeV b.6.33 MeV c. 6.23 MeV d. 11.39 MeV 10. The half-life of 231Pa is 3.25 × 104 years. How much of an initial 10.41 µg sample remains after 3.25 × 105 years? a. 0.0102µg b. 0.240µg c. 2.18µg d. 0.0240µg 11. A charged particle is moving in a magnetic field. What is the direction of the force on the particle due to the magnetic field? a. in the direction of the magnetic field b. in the direction opposite to which the particle is moving c. in the direction that is perpendicular to both the magnetic field and the velocity d. in the same plane as the magnetic field and the velocity, but not in either of those two directions e. in the direction of motion 12. Which of the following statements describes what occurs in the fission process? a. A neutron is split into a neutron and proton b. A heavy nucleus is fragmented into lighter ones c. Two light nuclei are combined into a heavier one d. A proton is split into three quarks 13. A charged particle, q enters an external magnetic field, B with velocity, v. A force, F acting on the particle. Which one of these statements below is not true? a. F and B are always perpendicular to each other b. F and v are always perpendicular to each other c. v and B are always perpendicular to each other d. B and v are always at an angle to each other. 14. If a 10C charged particle is traveling perpendicularly to a magnetic field of 5T at a speed of 2m/s, what is the force experienced by this charged particle? a. 50N b. 150N c. 100N d. 25N 15. Calculate the force experienced by a 15μC charge moving at 6.2×107m/s through a magnetic field with strength 7T at 480 to the field? a. 3134 N b. 4838 N c. 1337 N d. 6510 N e. 0
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