Moderate

Radioactive materials can be identified by measuring their:

Correct answer: C. Half-life

  • A. Hardness
  • B. Mass
  • C. Half-life
  • D. Total life

Explanation

The half-life of a radioactive material is a characteristic property that can be measured to identify and quantify the radioactive substance. It represents the time required for half of a sample of radioactive material to undergo decay.

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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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