Radioactivity is purely a nuclear phenomenon, and is not affected by
Correct answer: D. All
- A. Physical or chemical reaction
- B. Temperature
- C. Pressure
- D. All
Explanation
Radioactive decay is a process that occurs in the nucleus of an unstable atom, and it is not influenced by external factors such as physical or chemical reactions, temperature, or pressure.
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Atomic nuclei contain protons and neutrons, with nuclear size, mass defect and binding energy describing their stability. The work covers alpha, beta and gamma decay, decay equations, half-life and decay rate, along with radiation safety and medical applications such as imaging, radiotherapy and tracers.
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