Q. Which type of nuclear radiation has the least penetrating power?

  • (A) Alpha rays
  • (B) Beta rays
  • (C) Gamma rays
  • (D) X-rays
✅ Correct Answer: (A) Alpha rays
Explanation: Alpha particles can be stopped by a sheet of paper or even human skin.

Published by Tina Singh ⭐ 14.41K Points at 11-Oct-2025 08:52 am in Physics

Explanation by: Tina Singh
Alpha particles can be stopped by a sheet of paper or even human skin.

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