Questions tagged 'Radioactivity'

• Radioactive substance do not emit
  Category: Nuclei | Tags: Radioactivity, Modern Physics
• In a radioactive substance at $t = 0$, the number of atoms is $8 \times {10^4}$. Its half life period is 3 years. The number of atoms $1 \times {10^4}$ will remain after interval
  Category: Nuclei | Tags: Radioactivity, Modern Physics
• The half life period of radium is 1600 years. The fraction of a sample of radium that would remain after 6400 years is
  Category: Nuclei | Tags: Radioactivity, Modern Physics
• During a negative beta decay
  Category: Nuclei | Tags: Radioactivity, Modern Physics
• Some radioactive nucleus may emit
  Category: Nuclei | Tags: Radioactivity, Modern Physics
• Which can pass through 20 cm thickness of the steel
  Category: Nuclei | Tags: Radioactivity, Modern Physics
• The half-life period of radium is 1600 years. Its average life time will be
  Category: Nuclei | Tags: Radioactivity, Modern Physics
• What percentage of original radioactive atoms is left after five half lives
  Category: Nuclei | Tags: Radioactivity, Modern Physics
• Beta rays emitted by a radioactive material are
  Category: Nuclei | Tags: Radioactivity, Modern Physics
• Alpha rays emitted from a radioactive substance are
  Category: Nuclei | Tags: Radioactivity, Modern Physics

Back to Home