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Chapter 32 Powerpoint

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AP Physics

AP Physics

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  • 1. Chapter 32 Ionizing Radiation, Nuclear Energy, and Elementary Particles
  • 2. 32.2 Induced Nuclear Reactions A nuclear reaction is said to occur whenever the incident nucleus, particle, or photon causes a change to occur in the target nucleus.
  • 3. 32.2 Induced Nuclear Reactions Example 3 An Induced Nuclear Transmutation An alpha particle strikes an aluminum nucleus. As a result, an unknown nucleus and a neutron are produced.
  • 4. 32.2 Induced Nuclear Reactions An induced nuclear reaction in which uranium is transmuted into plutonium.
  • 5. 32.3 Nuclear Fission A slowly moving neutron causes the uranium nucleus to fission into barium, krypton, and three neutrons.
  • 6. 32.3 Nuclear Fission A chain reaction
  • 7. 32.3 Nuclear Fission In a controlled chain reaction, only one neutron, on average, causes another neutron to fission.
  • 8. 32.4 Nuclear Reactors A nuclear reactor consists of fuel elements, control rods, and a moderator.
  • 9. 32.4 Nuclear Reactors The moderator slows neutrons and the control rods absorb neutrons.
  • 10. 32.5 Nuclear Fusion Two nuclei of very low mass can combine to generate energy. This process is called nuclear fusion.
  • 11. 32.5 Nuclear Fusion