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Unreasonable Results

Avg difficulty 2.5

Data from the appendices and the periodic table may be needed for these problems.

The manufacturer of a smoke alarm decides that the smallest current of α \alpha radiation he can detect is 1.00 μA 1.00 \mu \text{A}. (a) Find the activity in curies of an α \alpha\text{ } emitter that produces a 1.00 μA 1.00 \mu \text{A} current of α \alpha particles. (b) What is unreasonable about this result? (c) What assumption is responsible?

OpenStax College Physics 2e, 31.5 Half-Life and Activity, exercise 34

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.