Among the three types of radioactive radiation, which has the strongest penetration power?
Correct answer: B. Gamma
- A. Alpha
- B. Gamma
- C. Beta
- D. All have same penetration power
Explanation
Gamma rays have the strongest penetrating power, beta radiation has the 2nd strongest and alpha is the least penetrating.
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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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