Moderate
The half-life period of radium is 1600 years. Its average life time will be:
Correct answer: C. 2319 years
- A. 3200 years
- B. 4800 years
- C. 2319 years
- D. 4217 years
Explanation
The following is the solution: Behavior of λ with time depends on the nature of the activity.
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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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