Concept explainers
(a)
The ratio of the decay rates or activity at
(a)
Answer to Problem 68P
The ratio of the decay rates or activity at
Explanation of Solution
Two radioactive sample with equal number of nuclides A and B,
Write the formula for half-life
Here,
Write the formula for the decay constant
Here,
Write the formula for the activity
Here,
Write the formula for the activity
Here,
Conclusion:
Equating (IV) in (III) to solve for
The ratio of activities of A and B is
Substitute equation (II) and (I) in above equation
Substitute
Thus, the ratio of the decay rates or activity at
(b)
The ratio of the decay rates or activity at
(b)
Answer to Problem 68P
The ratio of the decay rates or activity at
Explanation of Solution
The ratio of
Substitute
Thus, the ratio of the decay rates or activity at
(c)
The ratio of the decay rates or activity at
(c)
Answer to Problem 68P
The ratio of the decay rates or activity at
Explanation of Solution
The ratio of
Substitute
Thus, the ratio of the decay rates or activity at
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Chapter 29 Solutions
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