Answered: Number of Ra-223 Nuclei 60 50 40 30 20…

Science

Physics

Number of Ra-223 Nuclei 60 50 40 30 20 10 0 0 LO 5 10 15 20 Time/days 25 30 35

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter13: Nuclear Structure

Section: Chapter Questions

Problem 19Q

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Concept explainers

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.

Question

Use the graph in the image to work out the half-life of Ra-223 by considering two consecutive half-lives for the isotope.

Show your calculations.

Number of Ra-223 Nuclei
60
50
40
30
20
10
0
0
LO
5
10
15
20
Time/days
25
30
35

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