Neutrons can be slowed down if the stationary targets are:
Correct answer: C. Protons
- A. Alpha particles
- B. Photons
- C. Protons
- D. Atoms
Explanation
Neurons can be slowed down if they collide with stationary protons. This process is called neutron moderation, and it involves transferring some of the neutron's kinetic energy to the proton. This results in the neutron losing some of its speed or being slowed down.
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About Composition of Atomic Nuclei
Atomic nuclei contain positively charged protons and electrically neutral neutrons, collectively called nucleons. Questions use atomic number, mass number and nuclear notation to identify isotopes, isobars and isotones, and may connect nuclear composition with nuclear charge, mass defect, binding energy and the stability of the nucleus.
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