   Chapter 31, Problem 19CQ

Chapter
Section
Textbook Problem

Does the number of radioactive nuclei in a sample decrease to exactly half its original value in one half−life? Explain in terms of the statistical nature of radioactive decay.

To determine

The statistical nature of radioactive decay that depends upon the number of radioactive nuclei in a sample decrease to exactly half its original value in one half-life.

Explanation

Concept Used:

Half-life and activity.

For a pure statistical process nuclear decay is an example. Half-life can be defined as that a nucleus having a time equal for the half-life t12 have 50% chance of living. For half of its decay time of the original nuclei of one-half life for its

N can be large for its reasonable values. And for an individual nucleus it will have a time equal for the half-life t12 have 50% chance of living

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