Moderate

When a gamma photon is entered into the nucleus it:

Correct answer: B. Excites the nucleus

  • A. De-excite the nucleus
  • B. Excites the nucleus
  • C. Scattered by nucleus
  • D. No effect on nucleus

Explanation

In this case, a gamma photon imparts its energy and transfers its energy to an atomic electron causing the ejection of an electron from that nucleus.

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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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