The Number of Radioactive Nuclei in a Particular Sample Decreases

question 61

Multiple Choice

The number of radioactive nuclei in a particular sample decreases to one-eighth of its original number in 9 days.What is the half-life of these nuclei?

• A)9/8 days
• B)2 days
• C)3 days
• D)8 days
• E)10 days

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Definitions:

Critical Thinker

An individual who engages in the process of critically assessing and evaluating information to form a well-justified conclusion.

Weak Logic

Reasoning or argumentation that is flawed, unsound, or lacks sufficient evidence, making the conclusion unreliable.

Four Tests

A set of criteria or checks used to evaluate the validity or reliability of a concept, argument, or piece of evidence.

Comparative Inferences

The process of deducing conclusions by examining the similarities or differences between two or more objects, scenarios, or datasets.