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Sticky Note
Radioactivity is associated with ______?
ریڈیو ایکٹیویٹی ______ کے ساتھ وابستہ ہے؟
  1. Emissions of electrons
  2. Decay of Nucleus
  3. Decay of atoms
  4. None of these
Explanation
  • Radioactivity is the spontaneous decay of an unstable atomic nucleus.
  • It emitting radiation such as alpha, beta, or gamma rays.
  • This process occurs in radioactive elements like uranium and radium, leading to nuclear transformation over time.

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