ASNT Industrial Radiography Radiation Safety Practice Test

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Prepare for the ASNT Industrial Radiography Radiation Safety Test with our practice questions. Use flashcards and multiple choice questions, with hints and explanations for each question. Get ready to ace your exam!

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What is the atomic mass of a neutron?

  1. 0 AMU

  2. 1 AMU

  3. 2 AMU

  4. 1.5 AMU

The correct answer is: 1 AMU

The atomic mass of a neutron is approximately 1 atomic mass unit (AMU). This value is fundamentally significant because neutrons, along with protons, make up the nucleus of an atom, and their masses contribute predominantly to the overall atomic mass of the element. The mass of a neutron is slightly greater than that of a proton, but for practical purposes in atomic mass calculations, it is commonly represented as 1 AMU. This simplification aids in understanding atomic structure and the behavior of elements in radiographic applications and nuclear physics, where the balance of protons and neutrons determines isotopic stability and radioactive decay processes. Understanding the mass of a neutron is crucial for radiography professionals when evaluating the interactions of radiation with matter and calculating doses in safety protocols.

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