What is Half Life Period of a Reaction? – Significance | New Topic [2024]

In this note, we are going to learn a topic called β€œWhat is Half Life Period of a Reaction?β€œ, also its significance, applications and examples. Welcome to Poly Notes Hub, a leading destination for engineering notes for diploma and degree engineering students.

Author Name: Arun Paul.

What is Half Life Period of a Reaction?

The amount of time it takes for half of the atoms in a sample to decay into a different element or isotope is known as the half-life of a radioactive material.

what is half life period of a reaction - poly notes hub

Significance of Half Life Period

These are some significances of this half life period –

  • Calculates the rate at which a radioactive substance decays.
  • Important for understanding radioactive materials’ lifespan and decay processes.

Applications of Half-life Period

Here are the uses of half-life period –

  • Used in radiometric dating to establish the age of geological formations and objects.
  • Helps to determine the duration of radiation for waste management in nuclear power plants.
  • Critical in medical applications that use radioactive isotopes for diagnosis and therapy.

Examples of Half-life Period

These are the examples of half-life period –

  • Uranium-235 has a half-life of approximately 704 million years, indicating that it takes that long for half of a given amount of uranium-235 to decay into another element.
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