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4) A radioactive sample reduced to 15% of its initial value in 30minutes. Calculate the decay constant of the sample.

4) A radioactive sample reduced to 15% of its initial value in 30minutes. Calculate the decay constant of the sample.

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4) A radioactive sample reduced to 15% of its initial value in 30minutes. Calculate the decay constant of the sample.
Transcribed Image Text:4) A radioactive sample reduced to 15% of its initial value in 30minutes. Calculate the decay constant of the sample.
Expert Solution
Concept and Principle:
  • When there is a mismatch between the number of protons and neutrons inside a nucleus they become unstable. An unstable nucleus will release tradition till it is stable. This process is called radioactive decay.

 

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

N=N0e−λt

Here N0 is the original number of radioactive nuclei present, t is the time, and λ is the decay constant of the radioactive sample. This is known as the exponential law of radioactive decay.

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