Answered: Which of the following types of decay…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter31: Particle Physics

Section: Chapter Questions

Problem 2P

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1. Which of the following types of decay particles is known as a positron? a. α particle b. β− particle c. β+ particle d. γ ray 2. To date the age of the oldest materials, scientists would normally turn to the radioactivity of a. Carbon b. Uranium c. Lead d. Nitrogen 3. Atoms can a. Only transmute into completely different atoms in nature b. Only transmute into completely different atoms in the laboratory c. Transmute into completely different atoms in both nature and laboratories d. Never transmute into completely different atoms 4. An electron with a mass m and a charge, e enters a uniform magnetic field, B at a velocity, v perpendicular to the field. Determine the radius of the curvature of the electron in the field? a. mv/eB b. eB/mv c. me/vB d. mB/ev 5. Which one of the following choices is not a possible way to produce a magnetic field? a. Set up a current in a long, straight wire. b. Uniformly distribute charges over the surface of a conductor. c. Make an object out of materials that have an intrinsic magnetic field. d. Pass a current through a coil of wire. 6. The decay rate of an isotope is initially R0 but after one half-life has gone by, the rate is R0/2. What will be the decay rate at the end of the next half-life? a. 0 b. R/4 c. R/e d. R/2 e. R/e2

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