Moderate
A detector is exposed to a radioactive source. Fluctuations in the count - rate are observed.What do these fluctuations indicate about radioactive decay?
Correct answer: A. It is random
- A. It is random
- B. It is spontaneous
- C. It is exponential
- D. It is non-linear
Explanation
Radioactive sources are random in nature i.e. emission of radioactive particles is unpredictable.
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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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