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Questions and Answers
What is the unit of measurement for the decay constant of Radon-226?
What is the unit of measurement for the decay constant of Radon-226?
- Kilograms (kg)
- Seconds (s)
- Inverse seconds (s⁻¹) (correct)
- Becquerels (Bq)
What is the relationship between the decay constant and the half-life of a radioactive substance?
What is the relationship between the decay constant and the half-life of a radioactive substance?
- The decay constant is directly proportional to the half-life.
- The decay constant is inversely proportional to the half-life. (correct)
- The decay constant is independent of the half-life.
- The decay constant is equal to the half-life.
If the decay constant of Radon-226 is 1.37 × 10⁻⁴ s⁻¹, what is the half-life of Radon-226?
If the decay constant of Radon-226 is 1.37 × 10⁻⁴ s⁻¹, what is the half-life of Radon-226?
- 1590 years
- 1580 years
- 1600 years
- 1620 years (correct)
What is the purpose of calculating the decay constant of Radon-226?
What is the purpose of calculating the decay constant of Radon-226?
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What is the measured activity of the 0.25 kg Radon-226 sample in the example?
What is the measured activity of the 0.25 kg Radon-226 sample in the example?
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