The half-life of a radioactive element means:
Correct answer: C. Time for half of the element to decay
- A. Full life decay
- B. Quarter life decay
- C. Time for half of the element to decay
- D. All of these options are correct
Explanation
Half life is the time that it takes for half of the original value of some amount of a radioactive element to decay. This also implies that one half life is the time that it takes for the activity of a source to fall to half its original value.
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About Nuclear Physics
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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