Cobalt 60 is used in medicine and is an intense source of:
Correct answer: C. γ-rays
- A. α-particles
- B. β-particles
- C. γ-rays
- D. Neutrons
Explanation
γ-rays: γ-rays are high-energy photons emitted during radioactive decay or nuclear reactions. They have no charge and are similar to X-rays but with higher energy. Cobalt-60 is an intense source of γ-rays. It is commonly used in medicine for radiation therapy and imaging.
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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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