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1) A radioactive sample reduced to 10% of its initial value in 10 hours. Calculate the half life of the sample.

1) A radioactive sample reduced to 10% of its initial value in 10 hours. Calculate the half life of the sample.

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1) A radioactive sample reduced to 10% of its initial value in 10 hours. Calculate the half life of the sample.
Transcribed Image Text:1) A radioactive sample reduced to 10% of its initial value in 10 hours. Calculate the half life of the sample.
Expert Solution
Concept and Principle:
  • Radioactive decay is the process by which an unstable nucleus attains stability by releasing radiations. They become stable by removing protons or neutrons. The rate of decay is called activity.

 

  • This decay will be exponential in nature and is given by,

N=N0e−0.693(tt12)

Here N0 is the original number of radioactive nuclei present, t is the time, and t1/2 is the half-life of the radioactive sample. This is known as the exponential law of radioactive decay.

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