Beta rays can be considered as
Correct answer: A. electrons
- A. electrons
- B. thermions
- C. photoelectrons
- D. all of these
Explanation
A is the right option because Beta rays, or beta particles, are high-energy electrons (β⁻) or positrons (β⁺) emitted from the nucleus during beta decay. In most cases, when referring to beta decay, it involves the emission of electrons (β⁻) from the 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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