3) A radioactive sample reduced to 45% of its initial value in 5 minutes. Calculate the half life of the sample.
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- When there is amismathc 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 radio active decay.
- This decay will be exponential in nature and is given by,
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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